英语在什么国人前要加a或者an就是像i am an albatraoz

n. 字母A;第一流的;学业成绩达最高标准的评价符号
abbr. [物]安(ampere)
A (Rainbow单曲)
中文:A (Rainbow单曲);英语:A;法语:A;
基于500个网页-
中文:А;英语:A;日语:А;法语:А;韩语:А;
基于500个网页-
中文:A (音名);英语:A;日语:イ;韩语:?;
基于500个网页-
A (滨崎步单曲)
中文:A (滨崎步单曲);英语:A;法语:A;
基于500个网页-
一个又一个的
A Classical
A Classical
古典混音专辑
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1a 级(城市或公司债券的等级,低于 2a 级,高于 3b 级)
腺嘌呤(adenine)的符号;丙氨酸(alanine)的符号
腺苷 (adenosine)
极光激酶A (aurora)
通风巷道,风道
(原子)质量数(= mass number)
埃(angstrom),埃单位(angstrom unit)的符号;亥姆霍兹函数(helmholtz function)的符号
安培 (amp)
丙胺酸 (ala)
丙氨酸 (ala)
钾霞橄黄长岩
&2,447,543篇论文数据,部分数据来源于
a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
any of several fat-soluble vitamins essenti prevents night blindness or inflammation or dryness of the eyes
one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
the basic unit of electric current adopted under the Systeme International d'Unites
&a typical household circuit carries 15 to 50 amps&
the 1st letter of the Roman alphabet
the blood group whose red cells carry the A antigen
以上来源于:
英语字母表的第一个字母
字母 A(或a)所表示的读音 /ei/, /ae/, /ɑ:/,/?:/,/?/, /i:/ bake,hat,father,call,cobra,heritage
字母 A(或 a)的书面形式
字母 A(或 a)的铅字(或印刷体、图章、戳记等)
表示“第一”的符号:
row A in a cinema
电影院第一排座位
表示“第一等”,“甲等”,“甲级”,“极好”的符号:
grade A pork
[美国英语]【教育学】
甲,优(表示学业成绩最优的符号)
学业成绩得甲(或优)者:
an A student
(某些学校中)表示(学年中)“第一学期”的符号
甲(指假设的第一人或第一例):
A lent money to B.
甲把钱借给乙。
【数学】第一已知量
C大调音阶中的第六音(或音符);A音,A调:
A音键,A音弦(发出A音的键或弦)
以 A 音为主音的音阶
(中世纪罗马数字)50;500
【逻辑学】全称命题(universal affirmative)的符号
【证券】1A 级(城市或公司债券的等级,低于 2A 级,高于 3B 级)
from A to B
[口语]从一地到另一地
from A to Izzard
= from A to Z
from A to Z
[口语]从头至尾;完全地;彻底地
not know A from B (或from A to B)
[口语]一字不识;什么都不懂
the A to Z of
[口语](关于某学科等的)全部知识;(事情的)始末
indefinite article
(非特指的)一(个);一(种):
We planted a tree.
我们种了一棵树。
(同类事物中的)任何一(个)[相当于 any]:
A gun is dangerous.
枪是危险品。
每,每一(个):
once a day
twice a week
[用于由定语修饰的抽象名词之前]某一种:
a happiness that she couldn’t quite hide
她所按捺不住的内心喜悦
[用于由定语修饰的专有名词前,表示此专有名词的一时特色或某些属性]:
It was a cold December.
那是一个寒冷的12月。
[用于某些物质名词之前]一种:
a black tea
[用于具体化了的、部分化了的或表示经验的抽象名词之前] 一个;一种;一件;一次;一番:
They have had a friendship of ten years.
他们已有10年的友谊。
[用于姓氏或表示政党、团体、民族等的名词之前]…的一员:
a Communist
一名共产党员
[用于人名、地名或表示日期、节日等的专有名词之前]某一(个)[相当于 a certain]:
A Miss Helen called you just now.
有一位海伦小姐刚刚打电话给你。
[用于专有名词之前]类似…的一个[相当于 one like]:
a Watergate
一则水门事件式丑闻
[用于表示饮料、食物的某些物质名词之前]一客;一份:
同一(个)[相当于 the same]:
the people all of a mind
同心同德的人们(或持相同意见的人们)
[用于通常一起出现的形象或两件成套配对的器物之前]一套,一副,一组:
a cup and saucer
一只带茶托的茶杯
[用于若干复数形式的名词之前,表示“单一”的概念]:
a falls in the Niagara River
尼亚加拉河上的一幕瀑布
[用于非特指的单数名词之前]:
A man falls overboard!
有人落水啦!
[用于可数的集合名词和某些数量词之前]:
a barracks
[用于作为典型事例的人名或事物名词]:
a Cicero in eloquence
一个口才和西赛罗一样(好)的人
[与定语修饰的表示数量、时间、年龄等的词语连用,表示说话者的某种态度或情感]:
Her grandfather is a healthy 90.
她祖父现年90岁,仍很健康。
[用于商标名、人名等之前]一件…牌(或型)产品;一幅…的画像,一个…的雕塑;一件…的作品:
a Boeing 737
一架波音 737 型飞机
[用于 few,little,lot,great many,good many,score,dozen,hundred,thousand,million,billion 等词语之前表示数量]:
a million thanks
[用于 world,moon,sun 等独一无二的事物之前,表示此事物的一时特色或某种属性]:
a crescent moon
[用于百分数、基数词或自 third 起的序数词之前表示分数]:
[用于表示动作的名词或动名词之前]:
I must get (或 have) a wash.
我必须洗一下。
[口语][用于某些不带定语修饰的名词之前,表示程序]:
I was there for a time.
我在那里呆了一些时候。
[用于否定结构,表示强调,相当于 a single]:
never a one
没有一个(人)
[a 一般用于读音以辅音音素起首或以 /h/音起首的词之前,如:a child, a home,a uniform, a eunuch;an 一般用于读音以元音音素起首或不发音的 h 起首的词之前:
[口语、方言][用于虚拟语气,= have]:
You should a thought of it.
你该想到这一点。
[口语][通常与名词连用,=of]:
a cup a tea
[古语](属于)…的:
[英国方言]
[苏格兰英语]一切的,所有的;整个的,全部的 (=all)
abbreviation
accommodation
anthracite
atmosphere
希腊语的第一个字母α
A 字形;A 形物
【生理学】A 型血
A 类影片(英国影片类别,该类影片不宜让儿童观看) (=A category)
[英国英语]表示“干线道路”的代号(与数字连用):
This road is an A.
这条公路是干道。
A 型(指男用睡衣的小号;亦指鞋的宽度型号时较 AA 型宽,但较 B 型窄;亦作乳罩杯型号,较 AA 型大,较 B 型小)
【物理学】埃(angstrom),埃单位(angstrom unit)的符号;亥姆霍兹函数(Helmholtz function)的符号
【化学】元素氩(argon)的旧符号(现一般用 Ar)
【物理学、化学】(原子)质量数(= mass number)
【生物化学】腺嘌呤(adenine)的符号;丙氨酸(alanine)的符号
字形的;A 形物的;A-type address (电脑)A 型地址
[美国英语]头等的,第一流的,第一级的,天字第一号的,优秀的,优良的;[口语]极好的,极佳的[亦作A one]
A-frame的变形
absolute pressure
absolute temperature
academician
acceleration
[美国俚语]acid (指麻醉药 LSD)
aeronautical
aeronautics
Agriculture Department (美国)农业部
air course 【采矿】通风巷道,风道
Alaska Steamship Company (美国)阿拉斯加轮船公司
Altesse [法语]殿下
ambassador
America(n)
[美国俚语]amphetamine
amplification
[拉丁语]annus
Asahi Tanker (日本)朝日油轮公司
attendance
Australian
automobile
availability
axial vector
【物理学】埃(angstrom),埃单位(angstrom unit)
abstract(s)
academician
Accounting Branch (英国)财务会计处
America(n)
ampere-meter
amphibia(n)
[拉丁语]anno (=in the year)
[拉丁语]ante (= before)
Associate of
association
Atlantic (Ocean)
acceleration
【商业】acceptance
【商业】accepted
acquittance
advance(d)
[拉丁语]anno (= in the year)
[拉丁语]annus (= year)
[拉丁语]ante (= before)
【商业】approved
[拉丁语]aqua (= water)
【纹章学】argent
【体育】assist(s)
['eifreim]
[美国英语]
字形(或型)的,A形构架的;A形建筑物的
【建筑工程】
A形构架物(或框架);A字形滑轮架
(房屋的)A字形构架
A字形房屋,A形建筑物;金字塔式建筑物
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以上来源于:《21世纪大英汉词典》
/aen, aen/
You use a or an when you are referring to someone or something for the first time or when people may not know which particular person or thing you are talking about. (用于首次提及或泛指某人或某物) 一 (个)
A waiter entered with a tray bearing a glass and a bottle of whisky.
一名服务员端着一个放有一只玻璃杯和一瓶威士忌酒的托盘进来了。
He started eating an apple.
他开始吃苹果。
You use a or an when you are referring to any person or thing of a particular type and do not want to be specific. 用于指一类人或物,不需要特指
I suggest you leave it to an expert.
我建议你把它留给专家来处理。
Bring a sleeping bag.
带个睡袋来。
You use a or an in front of an uncount noun when that noun follows an adjective, or when the noun is followed by words that describe it more fully. 一种 (用于前有形容词或后有修饰语的不可数名词前)
The islanders exhibit a constant happiness with life.
这些岛民表现出一种对生活的持久的幸福感。
You use a or an in front of a mass noun when you want to refer to a single type or make of something. 一种 (用于物质名词前,特指某物的种类或成分)
Bollinger "RD" is a rare, highly prized wine.
是一种罕见的、非常名贵的葡萄酒。
You use a in quantifiers such as a lot, a little, and a bit. 用在量化词组中,如(a lot), (a little), (a bit##bit)等
I spend a lot on expensive jewellery and clothing.
我在昂贵的首饰和衣服上开销很大。
You use a or an to refer to someone or something as a typical member of a group, class, or type. 指某人或某物是一个团队、阶层或类型中典型的一员或一部分
Some parents believe a boy must learn to stand up and fight like a man.
一些家长认为一个男孩必须学会像男子汉一样奋起战斗。
You use a or an in front of the names of days, months, or festivals when you are referring to one particular instance of that day, month, or festival. 用于某一天、某一月份或某节日前,特指在该天、该月或该节日发生的事件
The interview took place on a Friday afternoon.
该面谈是在一个星期五下午进行的。
You use a or an when you are saying what someone is or what job they have. 用于说明某人的职业
I explained that I was an artist.
我解释说我是一位艺术家。
You use a or an instead of the number "one," especially with words of measurement such as "hundred," "hour," and "metre," and with fractions such as "half," "quarter," and "third." 一 (代替)(one)
...more than a thousand acres of land.
…一千多英亩的土地。
You use a or an in expressions such as eight hours a day to express a rate or ratio. 每一 (用于速率或比率的表达中)
Prices start at $13.95 a yard for printed cotton.
印花棉布开价为$13.95一码。
an informal or dialect word for
they'd a said if they'd known
(usually linked to the preceding noun) an informal form of
a kinda waste
SYMBOL for
acceleration 加速度
She spread a sheet on the sofa for me.
她为我在沙发上铺了一条单子。
It is a luxury to me.
它对我来说是一种奢侈。
She buddied up with a student from another university.
她与来自另一大学的一名学生交朋友。
About the size of a small dog, echidnas look like a mixture of a porcupine, an anteater,a pig and a mole.
VOA: special.
It's a ladder used to ascend a tree, it's a kind of tool of ascent that's a kind of a tool for getting fruit.
这是用来爬上树的梯子,是一种上升的工具,也是用来摘果子的。
We call it a function. That is to say it has a it has a function within our understanding of the way in which a text has structure.
我们之所以称之为功能是因为它有功能;,我们文本结构的角度,去认识这种功能。
They came to monitor a ceasefire agreement which both the rebels and the government were violating.
An Arab looking man in a uniform with military insignia stopped his car next to me.
America had failed to call Rwanda a genocide until after almost a million people were dead.
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