The birds are singing in the trees outside our school.

鸟儿在我们学校外面的树上唱歌。

youdao

The old man asked him, "Did you notice the beautiful flowers along the road and the birds singing in the trees?"

这个老人问他：“你有没有注意到路旁那些美丽的花朵和树上歌唱的鸟儿？”

youdao

During the first few hours of climbing, I enjoyed the flowers and trees, and the birds' singing; but as time went by, I got a pain in both of my legs.

在爬山的起初几个小时里，我欣赏着花草树木和鸟儿的歌唱，但随着时间的推移，我感到双腿疼痛。

youdao

She felt her heart tremble every time he shot an unsuspecting bird as it was singing in the trees.

VOA: special.2010.04.03

He went out and saw his mum in the trees, in the clouds, or when the birds were singing.

他走出去，看到自己的母亲,在树上，在云里，在鸟儿的歌声中。

普林斯顿公开课 - 人性课程节选