I run the water very hot, clouding the mirror.我把水开得很热，水汽模糊了镜面。A cataract is a clouding or dulling of the lens in the eye.白内障就是眼睛的晶状体上有阴影或者浑浊.It's clouding up. Maybe it'll rain this afternoon.天阴上来了, 今天下午也许有雨.It ...
I run the water very hot, clouding the mirror.我把水开得很热，水汽模糊了镜面。It's clouding up. Maybe it'll rain this afternoon.天阴上来了, 今天下午也许有雨.It was clouding over outside and the lake was darkening.外面阴云四布,湖上阴暗下来....