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lung

n. 肺，呼吸器官，[醫(yī)]輔助呼吸的裝置，〈英〉可供呼吸新鮮空氣的地方；

例句
10,000 deaths a year from chronic lung disease are attributable to smoking...
吸煙導(dǎo)致每年有1萬人死于慢性肺病。

cells

n. <生>細(xì)胞( cell的名詞復(fù)數(shù) )，小牢房，（修道士或修女住的）小房間，電池；

例句
An increasing body of evidence suggests that all of us have cancer cells in our bodies at times during our lives.
越來越多的證據(jù)表明，我們所有人一生中體內(nèi)時有癌細(xì)胞存在。

die

vt.& vi. 死亡，熄滅，凋零，枯萎，渴望，盼望；n. 鋼型，硬模，骰子；

例句
5,000 people die every year because of accidents in the home...
每年有5,000人死于家中的意外事故。

and

conj. 和，與，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多錢購買昂貴的首飾和衣服。

are

vi. （用于第二人稱單復(fù)數(shù)現(xiàn)在時，第一、三人稱復(fù)數(shù)現(xiàn)在時）是；n. 公畝（等于100平方米）；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我們不敢放縱自己的情感，以免顯得太過軟弱或缺乏自制。

replaced

v. 取代( replace的過去式和過去分詞 )，更換，把…放回原位，（用…）替換；

例句
The mist had been replaced by a kind of haze that seemed to amplify the heat...
薄霧散了，取而代之的是一種似乎更添酷熱的煙靄。

about

prep. 關(guān)于，大約，在…周圍；adv. 大約，在附近，在四周，幾乎；adj. 在附近的，四處走動的，在起作用的，在流行中的；

例句
The helicopter can zip along at about 150 kilometres an hour.
該直升機(jī)能以每小時150公里左右的速度疾進(jìn)。

once

adv. 一次，一趟，一倍，曾經(jīng)，一旦；conj. 一旦…就…，一經(jīng)；n. 一次，一回；

例句
The Hell's Angels were once the most notorious and anarchistic of motorbike gangs.
“地獄天使”曾是飛車黨中最臭名昭著和無法無天的一伙。

week

n. 一星期，周，工作周（一個星期中的工作時間）；

例句
The subject of the talk is announced a week in advance.
會談的主題已提前一周宣布。

He acknowledged publicly that he might have made a mistake.
他當(dāng)眾承認(rèn)自己可能犯了個錯誤。

...the spiralling vortex airflow that slows the plane.
使飛機(jī)減速的螺旋形氣流渦旋

You just go on ahead. I'll come by later...
你只管先往前走。我隨后就來。

He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打兒子的,是恨惡他;疼愛兒子的, 趁早管教.

For further information, please contact 414 3925, extension 2253.
詳情請致電414 3925,轉(zhuǎn)分機(jī)2253。

He sat there while I made the case for his dismissal...
他坐在那兒，聽我陳述解雇他的理由。

Baroness Thatcher's claims seem credible to many.
撒切爾女男爵的主張?jiān)诤芏嗳丝磥硎强尚诺摹?/a>

Nothing to be got without pains but poverty.
一份耕耘，一份收獲。

This decree obliges unions to delay strikes.
該法令迫使工會推遲罷工。

The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索權(quán)當(dāng)有支付義務(wù)的第一方不能支付時，可以向商業(yè)票據(jù)的背書人要求支付的權(quán)力。

The climber slipped and dropped to his death.
攀登者一失足掉下去摔死了。

...a pork pie.
豬肉餡餅

He always pins his destiny to other person.
他常把自己的命運(yùn)依附于別人身上。

First think, and then speak.
先想后說。

In control technology, greater use of computer technology and microelectronics.
在控制技術(shù)上, 更多地應(yīng)用計(jì)算機(jī)技術(shù)和微電子技術(shù).

Widespread protests have placed the President under serious pressure...
鋪天蓋地的抗議讓總統(tǒng)倍感壓力。

Italy's champion downhill racer
意大利的山坡速降滑雪冠軍

A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.
不定胚與合子胚之間不能劃分出明顯的界限.

Put some moisturizer on as a base before applying your make - up.
使用化妝品之前先用點(diǎn)潤膚脂打底.

He has made one of the most powerful American films of the year by keeping faith with his radical principles.
他秉承自己一貫的激進(jìn)風(fēng)格，制作出了本年度美國最有感染力的影片之一。

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肺細(xì)胞約每周新老更替一次。用英語怎么說？

肺細(xì)胞約每周新老更替一次。

Lung cells die and are replaced about once a week.