天上下雨地下滑，自己跌倒自己爬。

Rain in the sky to fall, fall himself up.

youdao

天上下雨是因为空气中含有水分。

Rain falls from the sky because there is water in the air.

youdao

天上下雨是因为空气中含有水分。

Rain falls from the sky because there is water in the air.

youdao