英语词型转换答: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-grade,n. + n. –n. notebook, sunglasses, newspaper, headline, thumbnail, gravestone, fireplace n. + adj. – ...