you can take a train here.there are many people here.it is very crowded.it is ___今天要用
问题描述：
you can take a train here.there are many people here.it is very crowded.it is ___
今天要用
答
你可以在这里乘火车，但人会多点，非常拥挤。
答
你可以在这坐火车.这有很多人,非常拥挤.