您要查找的是不是：
- His business was a cover for drug dealing. 他的商行是进行毒品交易的幌子。
- She drew a cover over the typewriter. 她拿过罩子将打字机套上。
- The teacher set her class a mathematics exercise for homework. 那位女教师给班上布置数学的家庭作业。
- This business is a cover for unlawful activity. 这家商行是搞非法活动的隐蔽处。
- Rectifier Select: Tube - Class A or AB,? 整流三项选择:电子管
- His girl fried is pretty enough to be a cover girl. 他的女朋友很美，有作封面女郎的资格。
- Well, maybe I could take one class a term. 好吧,也许我可以一学期上一门课。
- Land having a cover of trees and shrubs. 林地有树和灌木作覆盖物的土地
- He was made monitor of our class a third time. 他再次被选为我们班的班长。
- The business is a cover for unlawful activity. 以经商为幌子从事非法活动。
- Class A: rock ore appraisal and testing. 3721423甲级：岩矿鉴定与岩矿测试。
- The house is red brick without a covering of stucco. 那房子是红砖砌的，没有用灰泥粉刷。
- Class A: solid mineral exploration. 061775甲级：固体矿产勘查；勘查工程施工。
- The teacher set the class a comprehension test. 老师对全班同学进行了一次理解力测验。
- To expose to view, as by removing a cover;uncover. 暴露使显露，如揭掉盖子；揭开
- Miss Zhao asked Jim to give the class a talk. 赵老师要吉姆给班上做一个演讲.
- A covering resembling a cloak or mantle. 斗篷状覆盖物一种类似长袍或斗蓬的遮盖物
- Put a cover over the food to keep off flies. 给食物盖上东西以免苍蝇叮。
- VFR flights are not permitted in class A airspaces. 在A类空域中目視飛行是不被允許的。
- A cover charge tacked onto the bill. 帐单上的服务费。
