try out all backpack iteams at least once in the flring range

try out all backpack iteams at least once in the flring range All of us stared at her carefully,as though___(try)to find out something.求思路 I stayed up all night ____ to figure out how to solve the tough problem.(try) 用try out造句 try out造句 try out造句 try out for try out是什么意思?急! Before ,wore out,worn out ,try to do,try doing step to do ,step doing wear ,dress ,put on,neither ,either,none both ,all,等有什么区别 try on 和try out的区别 try 和try out有什么区别 try for/try on/try out如何区分 英语翻译We should try out all the tools before we can decide which best serves our purpose. I can't live out of a backpack.求翻译 Hand out.try out.keep out.take out.急 用try out 造句,两个. try out的中文是什么意思? try out an outline是什么意思