M7U2词汇讲解.doc

.1. surgeon n.外科医生 physician n.内科医生surgery n.手术室，外科手术2. revolution n. reform v.n.改革，改良Eg. The revolution of the earth around the sun.Eg. Reform the educational system = make reforms in 3. beneficial adj.be beneficial to_(2)benefit n. 利益, 好处be of benefit to sb. _ for the benefit of _ (3)benefit vt. &vi. (使)受益 benefit from/by _ 4. possess vt. 拥有,