The children fed it with crumbs, and then let it fly away again.

孩子们用面包屑喂他，让后让他再次离开。

Feel free to take out a pigeon while you're at it. Let it fly.

扔的时候也可以顺手打个鸽子，让它飞吧。

Dee coiled a part of his line; then, whirling the crawfish in his right hand, he let it fly.

迪把线绕了几圈，然后用右手把那只螯虾抡了几圈后，扔了出去。

She opened the door of the cage, took the bird out and let it fly.

她打开笼子的门，把鸟放了出来，让它飞了起来。