加上风寒指数，气温接近零下40度。

With the chill factor, it's nearly minus forty here.

youdao

风寒指数是最为广泛采用的冷应激指标。

Wind chill index is the most widely accepted index of environmental cold stress.

youdao

如果温度降到0度以下或者风寒指数达到负20，那么还是踩脚踏车吧。

If the temperature dips below zero or the wind chill is below minus 20, hit the treadmill instead.

youdao

如果温度降到0度以下或者风寒指数达到负20，那么还是踩脚踏车吧。

If the temperature dips below zero or the wind chill is below minus 20, hit the treadmill instead.

youdao