Then the birds began, and the village woke up.

然后鸟儿们开始歌唱，村庄也醒来了。

youdao

If parent birds use begging intensity to direct food to healthy offspring capable of vigorous begging, then parents should make food delivery decisions on the basis of their offsprings' calls.

如果雏鸟双亲是根据雏鸟乞食的叫声响亮程度来把食物分给叫声响亮的健康雏鸟的话，那么鸟类双亲就是根据雏鸟乞食声音来决定如何分配食物的。

youdao

The birds flew around and then resettled on the pond.

鸟儿飞来飞去，然后落在池塘边上。

《牛津词典》

And the other part about it is if feathers were twice as heavy, or half as strong, then birds couldn't fly."

VOA: special.2010.06.01

It loosens the oil up." Then they bathe the birds with dishwashing liquid.

VOA: standard.2010.06.08

The birds then had a second wash before going through to pools.

BBC: Birds to be released in Dorset four weeks after oil rescue

Then migratory birds and the caribou will move on.

NPR: Young Alaskan Sees Changing Way of Life

The new birds in the sky really would then become carbon accountants.

ECONOMIST: Two new satellites will monitor carbon dioxide emissions