雅思写作高分词汇答:10 保护:Protect, conserve, preserve 11确保:Assure, ensure, guarantee, pledge 12 有害的: Bad, baneful evil, harmful, detrimental 13 要求 :Request, demand, needs, requisition 14 消除 :Eliminate, clear, remove, clear up, take away, smooth away 15 导致: Lead to, bring about,...