6450.aluminum(名)鋁
不可數(shù)
Aluminum is made from bauxite.
鋁是從鋁土礦中提煉出的。

6451.ambassador(名)大使
An ambassador lives and works in an embassy.
大使在大使館中居住及工作。

6452.ambiguity(名)模棱兩可的話
She is quick to notice the ambiguity in the article.
她很快就察覺出了文中的那些模棱兩可的意思。

6453.ambiguous(形)含糊不清的
Do you understand why the U.S. has to take such an ambiguous policy?
您是否理解為什么美國要在這個問題上抱持這樣一種模糊的立場？

6454.ambition(名)追求的目標(biāo)
It has always been her ambition to travel the world.
她一心想要環(huán)游世界。

6455.ambitious(形)野心勃勃的
I'm not particularly ambitious on the other hand. I'm content with my life the way it is．
我并不是特別有野心，而是滿足于現(xiàn)狀。

6456.ambulance(名)救護(hù)車
They helped her into ambulance．
他們扶她上救護(hù)車。

6457.ambush(名)伏擊
He was killed in an enemy ambush．
他在敵人的一次伏擊中喪生。

6458.amenable(形)順從的
I'm amenable to any suggestions you may have．
你有任何建議，我都樂意聽。

6459.amend(動)修正
同義詞correct
The teacher advised him to amend his way of living．
老師勸他改變生活方式。

6460.amendmengt(名)修正案
The discussion on the to the amendmengt to the tax law passed off without a hitch.
有關(guān)修改稅法的討論順利地結(jié)束了。

6461.amends(名)補償、賠償
慣用復(fù)數(shù)
I must make amends for my fault.
我必須彌補我的過失。

6462.amid(介)在……之中
Amid warm applause the honored guests mounted the rostrum.
在熱烈的掌聲中貴賓們登上了主席臺。

6463.ammunition(名)彈藥
The troops surrendered because they had run out of ammunition.
軍隊用完了彈藥，所以投降了。

6464.amnesty(名)特赦
The government has annaunced an amnesty for all political prisoners．
政府宣布對所有政治犯予以特赦。

6465.amusement(名)娛樂
Much to the pupil's amusement the teacher fell off his chair.
老師從椅子上掉下來，學(xué)生們覺得很好笑。

6466.amusing(形)引人發(fā)笑的
He's a very amusing person and he makes me laugh a lot.
他很有引人發(fā)笑的本領(lǐng)，使我笑個不停。

6467.analects(名)論集、文選
慣用復(fù)數(shù)
There are some reasonable suggastions in the analects．
這本文選里有些適當(dāng)?shù)膯l(fā)。

6468.analogy(名)類比
You could make an analogy between the humen body and a car engine．
你可以將人的身體和汽車發(fā)動機作婁比。

6469.analysis(名)分析
Some samples of the water were sent to a laboratory for analysis．
一些水的樣品已經(jīng)送到實驗室去分析。

6470.analyst(名)分析者
Most political analyst find the First Lady is something of a cipher．
很多分析家認(rèn)為第一夫人簡直就是一個難解之謎。

6471.analyze(動)分析
The water samples are now being analyze in a laboratory.
這些水的樣品目前正在實驗室中分析。

6472.anatomy(名)身體構(gòu)造
He is wounded in a vital part of his anatomy.
他身體的要害部分受了傷。

6473.ancestral(形)祖先的
Southeast Asian jungle fowls are cansidered ancestral to domestic fowls.
東南亞原雞，被認(rèn)為是家禽的祖先。

6474.ancestry(名)祖先；血統(tǒng)
He has lrish ancestry．
他有愛爾蘭血統(tǒng)。

6475.anchor(動)拋錨、停泊
The boats anchor off Boston．
那艘船在波士頓港外停泊。

6476.anchorman(名)主持人
It is not easy to get a foothold as an anchorman．
一個電視節(jié)目主持人要站住腳可不容易。

6477.ancient(形)古代的
反義詞modern
Ancient Cultures in Polynesia is very mysteriaus.
波利尼西亞古代文化是很神秘的。

6478.anecdote(名)秩事
The newspaper's "monster shark" story was based on anecdote.
報紙關(guān)于鯊魚精的報導(dǎo)屬于軼事。

6479.angle(名)角度
Viewed from this angle,the building looks bigger than it really is.
從這個角度看，那棟建筑物要比實際的大。

6480.angler(名)釣魚者
Frankly speaking, Andy is an angler theoretically than practically.
老實說，安迪是個理論勝于實際的垂釣者。

6481.angular(形)有角的
A telescope is equipped to measure small angular distances between celestial bodies.
量日儀是一種望遠(yuǎn)鏡，用以測量天體之間微小的角距離。

6482.announcement(名)宣布
Ladies and gentlemen, l'd like to make an announcement.
女士們，先生們，我要宣布一則消息。