垃圾，塑料还有一些轻一点的东西就开始在天空中飞翔。

The litter, plastics and some light stuff begin to throw in the sky at first.

youdao

当人类开始在天空中搜索时，他们发现了许许多多的东西。

When man began to search the skies, he saw a lot of things.

youdao

当她们在劳动时，她们看见天空中有些奇怪的东西。

While they were working, they saw something strange in the sky.

youdao

当她们在劳动时，她们看见天空中有些奇怪的东西。

While they were working, they saw something strange in the sky.

youdao