n.讨厌的人或事；有害动植物；瘟疫； 变形： 复数：pests 双语释义：n.(名词)[C]有害的人或物，令人讨厌的人或物 sb/sth that causes trouble or harm英英释义： pest[ pest ]n.a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea tha