复数： boxcars

What 's inside the boxcar ?

车厢里面到底有什么？

And this boy 's singing songs about the boxcar ?

而这孩子还在唱什么大篷车的歌？

Boxcar as an infrastructure service

boxcar是一个基础服务

These goods are transported by boxcar , which can ensure absolute safety .

这些货物都是用闷罐车运输的，绝对安全。

One legend has it that a train conductor smacked him in the ears after he started a fire in a boxcar by doing experiments .

有个传说是因为他在做实验时不小心在车厢里失火了，列车长打了他一个耳光。