1、Baby n.婴儿
Both mother and baby are doing well.母子平安。
2、back n.&adj.后面（的）；背，背部
If you use mirrors you can see the back of your head.使用两个镜子能看见自己的头的后面。
6、banana n.香蕉
A banana split is a kind of ice-cream dish which people love very much.香蕉船是一种人们很喜欢的'雪糕。
4、bad adj.坏的
In certain conditions,a bad thing can be turned into a good thing.在一定条件下，坏事可以变好事。
5、ball n.球
The ball is flat and needs air.球是扁的，需要注入空气。