child和children的区别

例句：

1、His house was the only settled home I had as a child.

他的房子是我儿时唯一固定的家。

2、The child kept her eyes fixed on the wall behind him.

这个小女孩眼睛一直紧盯着他身后的那堵墙。

3、Don't leave a child alone in a room with an open fire.

房间里有裸露的明火时，不要让孩子独处其中。