1.the blood group whose red cells carry the A antigen

2.a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation

3.any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes

4.one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)

5.(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA

6.the basic unit of electric current adopted under the Systeme International d'Unites;

a typical household circuit carries 15 to 50 amps

7.the 1st letter of the Roman alphabet

1.①atto阿〔托〕：10－18

2.②arterial blood動脈血(用作下角標(biāo))

3. ①specific absorptivity比吸收率

4.②activity (thermodynamic activity of a chemical species)〔化學(xué)物質(zhì)熱力〕效能

5.③acceleration加速，加速度

6. 〔前綴〕意為①缺乏，缺少，無：在元音或h前，則用an

7.②分離，分隔

8.離開，遠(yuǎn)離

1.抵押數(shù)

2. 擔(dān)保數(shù)

1.宣布股利以后當(dāng)年額外的現(xiàn)金股利

1 . 一個

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2 . 一種

zirconiaparticles is anew type of advanced materials ., 納米二氧化鋯是一種新型的高科技材料 , 有著廣泛而重要的用途.

3 . 一

we had asummer house on fire island ., 我們在火島有一所避暑別墅.

4 . 一位

Recently , I met ayoung Chengdu woman sent to Singapore for attachment to ahotel., 不久前 , 我遇見一位被派到本地一家旅店工作的年輕成都女子.

1 . 美元的

S. During last year's takeover of drug maker Wyeth by Pfizer Inc . , Mr. Wu promised to extend a $ 325 million credit line to Pfizer .在去年輝瑞制藥有限公司（PfizerInc。)收購惠氏（Wyeth)的交易中，吳斌承諾向輝瑞提供3.25億美元的信貸額度。

2 . 一筆

the FDIC said State Bank and Trust Co received a $ 300 million capital infusion from a group of 26 investors to help finance the deposit assumption and purchase the assets .聯(lián)邦存款保險公司表示，國家銀行和信托公司接受了一筆3億美金的資產(chǎn)輸入，是來自26個投資商用以幫助提供承擔(dān)存款的經(jīng)費和購買資產(chǎn)的經(jīng)費。

1 . 類運用

class a modulator 甲類燈器class a operation a類運用class ab amplifier ab類放大器甲乙類放大器.

1 . 類放大器

class 100 clean room 100級潔凈室class a amplifier a類放大器class a modulation 甲類燈

1 . 簡單地

a : Ariba SN reports allow users to draw data simultaneously from up to 10,000 documents .簡單地輪班是低效率的，因為這可能意味著精疲力盡的一方還要面對家務(wù)。

1.You have to hang a louie at the "stop" sign.

你必須在那"停"字標(biāo)牌那兒向左轉(zhuǎn)。

2.I knew enough about him that I had him over a barrel.

我對他的底細(xì)一清二銫，所以我能把他完全控制在手中。

3.l know they are on a hiding to nothing.

我知道他們絲毫沒有獲勝的希望。

4.She has a crush on the new gym mistress.

她非常喜歡新來的女體育老師。