clouding

名词 clouding:

1. the process whereby water particles become visible in the sky
   同义词：clouding up

动词 cloud:

1. make overcast or cloudy
   同义词：overcast, cloud
2. make less visible or unclear
   同义词：obscure, befog, becloud, obnubilate, haze over, fog, cloud, mist
3. billow up in the form of a cloud
   同义词：cloud
4. make gloomy or depressed
   同义词：cloud
5. place under suspicion or cast doubt upon
   同义词：defile, sully, corrupt, taint, cloud
6. colour with streaks or blotches of different shades
   同义词：mottle, dapple, cloud
7. make milky or dull
   同义词：cloud

1. Dark clouds are a sign of rain or snow.
   乌云是雨或雪将至的预兆。
2. On the night of December1,1930, a cloud of smog moved over a valley in Belgium, which caused thousands of people to become ill.
   1930年12月1日晚上，一片烟雾飘过比利时的一个山谷，这使数千人病倒了。