精选优质文档-倾情为你奉上一词汇、短语1. take off1) （飞机）起飞Because of the heavy fog, the plane couldnt take off on time.2) 脱掉If this pair of shoes is not comfortable, I suggest you take off immediately.2. expert n./adj.n. be an expert at/on/in 在.方面是行家Mark is not only our headmaster, but also an expert in education.adj. be expert in/at doing 在（做）.方面在行My friend Tom is expert in/at finding useful information.练It is said that the old man is expert_repairing all kinds of cars. (in/a
