His foot touched the protruding bough that was the trigger.

他的脚已碰到了那根凸出的树枝，那是触发装置。

Apples I didn't pick upon some bough.

苹果留在枝头，我还没摘下。

Watch how the boughs nod, heavy with fruit.

看树枝是如何点头的，果实很重。

The bough bent under the weight of the snow.

那树枝因雪的重压而弯曲。

Why on the topmost bough do you get, Little bird so gray?

小灰鸟，你为何飞到枝顶上？

And she pointed to a little gray bird up in the boughs.

她指着那只在树上的灰色的小鸟。

Most birds sing upon a bough, but the sky-lark sings in the air.

大部分的鸟儿停在树枝上歌唱，而云雀是在空中歌唱。

On an apple bough, the phoebe teeters and wags its tail and says, Phoebe, phoe-bee!

在一根苹果树枝上，那东菲比霸鹟摇头摆尾，说：“菲比，菲——比！”

And when she saw the bird perched on a yellow-brown bough, she wondered yet more.

当她看到鸟儿栖息在棕黄色的树枝上，她想了解得更多了。

They surround the leaves at the end of the bough with a network of silk.

它们用丝网把树枝末端的叶子围起来。