英语词型转换答:over—过于,overcrowded, oversleep, overwork, overjoy, overestimate, oversimplify, overburden, overreacted, oversimplify 合成词 直接合成 adj. + n. ---n. short-term, sweetheart, gentlemen, newcomer, sweetheart, briefcase adj. + n.---adj. 一般加连字符 first-rate, first-hand, high-...