choo-choo

详细解释:n. 火车

英语解释：

名词 choo-choo:

a child's word for locomotive

详细解释：

choo-choo

n.Informal （名词）【非正式用语】
pl. choo-.choos
A locomotive train.
火车机头

来源：
[From baby-talk imitation of the sound of a locomotive whistle]
[From baby-talk imitation of the sound of a locomotive whistle]