Two girls have gone out for a walk.

两个女孩出去散步了。

It is May, and the air is cool.

五月里，空气凉爽。

They hear the birds sing in the trees, and they hear the noise of the frogs in the pond.

她们听到鸟儿在树上唱歌，她们听到青蛙在池塘里“呱呱”的叫声。

They see men at work and boys at play.

她们看到男人们在干活，男孩们在玩耍。