cloudy的名词是cloud。cloudy主要用作形容词，中文含义是：被云遮住的；阴云密布的；阴天的；多云的；不清澈的；不透明的；浑浊的。cloud作名词时中文含义是：云；云朵；云状物；阴影；忧郁。

第三人称单数：clouds

复数：clouds

现在分词：clouding

过去式：clouded

过去分词：clouded

black/dark cloud黑云/乌云

white cloud白云

cloud of dust一团灰尘

cloud of smoke一团烟

1、The sun disappeared behind the clouds.

太阳消失在云层里。

2、The sun peeped out from behind the clouds.

太阳从云层里露了一下脸。

3、Thestorm clouds weregethering.

暴风雨乌云正在聚集。

4、The moon was fuller than the night before，but the light was diffused by cloud.

月亮比头一天晚上更圆，但因云层遮掩而月光朦胧。

5、The only dark cloud on the horizon was that they might have to move house.

唯一的忧虑是他们可能要搬家。

6、The plane climbed until it was clear of the clouds.

飞机爬升直至穿出了云层。