雅思考试(IELTS)词汇每日累积高频动词

　　激发，鼓励encourage = motivate = stimulate = spur

　　认为think = assert = hold = claim = argue

　　完成complete = fulfill = accomplish= achieve

　　保留keep = preserve = retain = hold

　　有害于destroy = impair = undermine = jeopardize

　　减轻 ease = alleviate = relieve = lighten