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 simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- 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。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- 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 held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- 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。
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- Let us show you to see the engine to test. 让我们指给你看要测试的发动机。
- The sun disappeared from view behind a cloud. 太阳被云遮住看不见了。
- He is answering the test paper busily. 他正忙着答考试卷。
- Thick cloud blotted out the view. 云层把风景遮住了。
- Don't tumble down on this easy test. 这次考试不难，你可别考砸了。
- A cloud of locusts hit the farm. 大群蝗虫袭击了那个农场。
- Tomorrow we'll have a history test. 明天我们将进行历史测验。
- The decision will only cloud the issue. 这一决定只能使这一问题变得复杂起来。
