英语翻译Scientists are keeping a sick milu deer alive at the centre.这句我转的被动式A sick milu deer alive at the cetre are being kept by Scientists.我转得对吗,不对的话帮我纠正.顺便帮我翻译出来

英语翻译The scientists are on fire for gravitivity.They are on fire for superstars.怎么翻译? 英语翻译It is a mysterious thing adn scientists are still strying to work out what exactly happens. many scientists are again becoming excited--- We Are Scientists的《Tonight》 歌词 We Are Scientists的《Dinosaurs》 歌词 We Are Scientists的《Impatience》 歌词 We Are Scientists的《Spoken For》 歌词 We Are Scientists的《Get Off》 歌词 We Are Scientists的《Impatience》 歌词 We Are Scientists的《Dance Off》 歌词 Other scientists are impressed but cautious. 英语翻译However,some scientists now believe that dreams mean nothing at all-dreams are caused by the electrical activity in our brains while we sleep. 英语翻译There is growing concern amongst many natural scientists that human interventions are altering the capacity of ecosystem to provide goods and services needed for humans. 英语翻译根据汉语完成句子：科学家正努力实现这个梦想Scientists are working hard ____________.(牛津英语9B Unit 1) 英语翻译The scientists point out that while cell cultures do reveal certain effects,other effects cannot be identified unless fully-functioning animals are utilized. 英语翻译Scientists tell us that scans show our brains are wired for optimism.We register positive lessons more than negative ones. 英语翻译Scientists are searching for ways to destory nuclear weapons powerful and no longer useful.句子中的powerful and no longer useful是什么成分? Among,between,with哪个正确：Between them are lawyers,diplomats and scientists.Among them are lawyers,diplomats and scientists.With them are lawyers,diplomats and scientists.