您辛苦了！老师！在酷暑严寒中辛勤工作的人们。

You have worked hard! Teacher! People working hard in the heat and severe cold.

youdao

于是人们首先尝到了酷暑严寒之苦，不得不找一个蔽身之所。

Then, first, men suffered the extremes of heat and cold, and houses became necessary.

youdao

严寒或酷暑时，为着花粉，疲于奔命。

Cold or heat, for the pollen, exhausted.

youdao

严寒或酷暑时，为着花粉，疲于奔命。

Cold or heat, for the pollen, exhausted.

youdao