天气极冷，我们能到湖上去滑冰了。

It was so cold that we were able to go skating on the lake.

《牛津词典》

那些窗子的底部关不严，所以有段时间我们甚至在仲夏时节也感到极冷。

The windows didn't fit at the bottom so for a while we froze even in the middle of summer.

《柯林斯英汉双解大词典》

嗜冷细菌在极冷的温度下繁殖。

Psychrotrophic bacteria thrive in very cold temperatures.

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