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N-COUNT If you say that a man is a cad, you mean that he treats other people, especially women, badly or unfairly. 卑鄙的男人 [老式]
He's a scoundrel! A cad!
他是个恶棍！一个卑鄙的无赖！
Dianne Feinstein (D-CA) dropped her efforts to get a similar ban attached to the food safety bill now going through the Senate.
Dianne Feinstein正停止致力于把一项类似的禁令附加在参议院目前正在制定的食品安全法中。
For the purification process for complexing of cholesterol, change of complexing reagent from Ca-C to Ca-D improved complexing selectivity and cholesterol yield.
对胆甾醇配合及其提纯过程，将配合试剂从原来的钙盐C改为钙盐d，大大提高了配合的选择性和胆甾醇收率。
A famous example of different pictures of reality is the model introduced around a. D. 150 by Ptolemy (ca. 85-ca. 165) to describe the motion of the celestial bodies.
描画现实世界不同景象的一个著名例子是托勒密(公元85年——165年)在公元150年左右建立的理论模型，该模型用以描述天体的运行规律。
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