1.
It's cloudy and rainy. We can't swim.
多云有雨。我们不能去游泳了。
2.
a day of rain and cloudy skies
有雨、 多云的一天
3.
It's fine/cloudy/ raining/snowing/windy.
天晴/多云/下雨/下雪/有风。
4.
Tomorrow will be partly cloudy with a brief afternoon shower.
明天局部多云，下午有短暂阵雨。
5.
There are so many grey clouds I think it will rain today.
天上有这么多的灰云，我看今天要下雨。
6.
Do dark clouds signify rain?
有乌云是否显示要下雨?
7.
The clouds appeared inclined to thunder.
阴云密布，好象要有雷雨。
8.
leaden clouds promising rain
预示有雨的铅灰色的云.
9.
Before the rain, the sky was a mass of clouds.
下雨前，天空有一团云。
10.
Those black clouds betoken rain.
那些乌云预示有雨。
11.
A watery sun shone through the rain-clouds.
太阳透过雨云发出有雨意的光.
12.
A low, gray, often dark cloud that precipitates rain, snow, or sleet.
雨层云一种呈深灰色的低云层，预示有雨、雪或冻雨
13.
So how many elephant units of water are inside a big storm cloud … 10 times bigger all the way around than the "puffy" cumulus cloud?
那么一块儿比“蓬松的”积雨云大10倍的暴风云中含有的水相当于多少只大象呢？
14.
It 's a bit cloudy, is not it ?
有点多云，是不是？
15.
The weather was very cold. Though it was cloudy, there was no rain.
天气很冷,天空多云但未下雨。
16.
It's cloudy, not rainy.
今天是多云的天气，不是雨天。
17.
It was raining yesterday, is clear today, and will be cloudy tomorrow.
昨天是雨天,今天天气晴朗,明天多云.
18.
"Rain comes after sunshine, and after a dark cloud, a clear sky"
晴日之后有雨水,乌云过去见青天