The body's metabolism is slowed down by extreme cold.

严寒可以使身体新陈代谢的速度下降。

《牛津词典》

Because of the extreme cold, the Antarctic is a uniquely fragile environment.

由于极端寒冷，南极州的生态环境尤其脆弱。

《柯林斯英汉双解大词典》

When he handed the medicine to the next musher, Shannon's face was black from the extreme cold.

当他把药递给下一个赶狗人时，香农的脸冻得发黑。

youdao

Frostbite is damage that happens when skin is exposed to extreme cold for too long.

VOA: special.2009.12.23

One researcher found that extreme cold can have a damaging effect on the mind.

VOA: special.2010.02.24

For people with asthma, extreme heat can be especially troublesome, as can extreme cold.

VOA: special.2010.09.07

Parts of the world, most notably Eastern Europe, experienced below-average to extreme cold temperatures this winter.

CNN: U.S. sees warmest March in recorded history, NOAA reports

The pressurized suit has to protect its wearer from extreme cold and heat, while providing oxygen and communications.

NPR: NASA's Future Spacesuits Are Made for Walking

In extreme cold, you can't think that your natural attributes will work as well as they usually do.

BBC: Sir Ranulph Fiennes: Coping with extreme weather