often的同义词?答:9. 认为:Think, believe, insist, maintain, assert, conclude, deem, hold, argue, be convinced, be firmly convinced, be fully convinced10. 保护:Protect, conserve, preserve11. 确保:Assure, ensure, guarantee, pledge12. 有害的:Bad, baneful evil, harmful, detrimental13. 要求 :Request, demand, ...
请问:maintain,stay,keep,hold 的区别,谢谢!答:maintain 维护,保持.如:maintain the system(维护系统)stay 停留,呆在某地 如:stay at home(待在家)keep 保持,保留 ,保管,记住 如:keep it on mind; keep the money for me.hold 抓住,拥抱,暂停(某件事),如:hold the handrail(抓住扶手);Hold me,Please!(抱抱我好吗);Hold the project暂停...