1.bring down 击败

例句:Mother wants to come downstairs, but is too weak to walk; it'll take both of you to bring her down.
母亲要下楼，但她太虚弱了，走不动，这得你们俩把她抬下来~D9e)dhS3XR,R。

2.hijack 劫持

例句:He made a desperate attempt to hijack a plane.
他铤而走险，企图劫持一架飞机_RhA%lheY8~uZ%。

3.commercial 商业

例句:Docklands in its heyday was a major centre of industrial and commercial activity.
港区在其最繁荣的时期曾是主要的工商业活动中心J0^4h._vhK。

4.simultaneous 同时

例句:It can process more than 17 petaflops of data per second& that 's roughly 20,000 trillion simultaneous calculations.
它每秒钟可处理超过17千万亿次数据&大约相当于同时进行2万万亿次运算-iwMOpk&~68;j&。

.g%%mt-8xcfGI=g0u[mfA[q.qStFf]Bv1^mn1XerWz_& 来源:可可英语 //m.moreplr.com/Article/201510/404814.shtml