If the camera gets very cold, and you then bring it directly into a warm house, condensation can form and fog the lens.

如果你的相机的温度很低，然后你直接把相机带到温暖的屋里，相机上马上就会凝结出水珠，镜头的镜片也会出现雾气。

youdao

Then again, there's nothing like steam heat to warm the cockles of a spaceman's soul as he/she traverses the cold depths of interplanetary space.

当宇航员在冰冷的星际空间漫游时，还有什么能比蒸汽更能温暖他们的灵魂呢？

youdao

Rinse off with warm water, then follow with a cold water rinse. Pat dry.

先用温水洗，再用冷水洗净，抹干。

youdao

Plus, if you took off from somewhere cold (say, London) and then landed in somewhere warm (say, Istanbul), you are very likely to forget your coat.

ECONOMIST: Business travel

In one unusual but revealing study, his researchers repeatedly immersed one side of people's bodies until it showed evidence of habituation, while keeping the other side warm -- and then turned them over and immersed the side that had never been in the cold water and found that there was still a significant reduction in their cold shock response.

CNN: Are polar bear plunges good for you?