您要查找的是不是：
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- There are several kinds of cloud formations. 云层的构成方式有好几种。
- The couple seemed to be on cloud nine. 那对夫妇看上去极其幸福。
- The sun disappeared behind a cloud. 太阳消失在一片云后面。
- The wind dispersed the cloud from the sky. 风吹散了天上的云。
- He was on cloud nine after winning the competition. 他在比赛获胜後欣喜若狂。
- The banks of dark cloud promised rain. 天上片片乌云，就要下雨了。
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- The sun disappeared from view behind a cloud. 太阳被云遮住看不见了。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
- Thick cloud blotted out the view. 云层把风景遮住了。
- A cloud of locusts hit the farm. 大群蝗虫袭击了那个农场。
- The decision will only cloud the issue. 这一决定只能使这一问题变得复杂起来。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- A cloud of smoke was suspended in the air. 一股烟云飘悬在天空中。
- A cloud is a mass of vapour in the sky. 云是天空中的水汽团。
- Every cloud has a silver lining. 黑暗中总有一丝光明。
- A copy made by using carbon paper. 复写本，副本用复写纸复印的一份
