剑桥雅思阅读真题词汇剑桥七—TEST1—1Let’sGoBatsbatshuntatnight,andcannotuselighttohelpthemfindpreyandavoidobstacles.prey[prei]被捕食的动物obstacle[ɔbstәkl]障碍(物),阻碍(物)thenight-flyinginsectsthattheypreyonmustfindtheirwayaboutsomehow.insect昆虫preyon捕食giventhat考虑到;鉴于exploit[ɛksplɔɪt]利用或开发(尤指矿藏和其他自然资源)Butthedaytimeeconomyisalreadyheavilyexploitedbyo...