in prep.在...里；在...地方；在...期间；在...方面；进入...里面；处于...状态；穿着...；以...的方式adv.在家；入；进；向里；在某地；并入；在某种关系中adj.在里面的；新来的；执政的；时髦的n.当权者；影响；达成目标的路径
双语例句
The Automatic Fire Alarm System plays a unique and substitutable role in prevention of modern high-story buildings fire. 火灾自动报警系统对现代高层建筑火灾的预防有着不可替代的作用。
Besides the heat, the death-cause in building fire is mostly due to the tox ic ity of the fire smoke. 建筑火灾中致人死亡的因素除了热以外，更多的是因为烟气的毒性。
