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。
- He's mending nicely after his operation. 手术后他正在顺利康复。
- 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。
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- The banks of dark cloud promised rain. 天上片片乌云，就要下雨了。
- The bank plan a rescue operation for the company. 银行计划对这个公司采取挽救措施。
- The operation was a marvel of medical skill. 这个手术是医术的一个非凡范例。
- The sun disappeared from view behind a cloud. 太阳被云遮住看不见了。
- An operation is needed to remove your tonsil. 需要进行手术摘除你的扁桃体。
- 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 operation went like clockwork. 手术进行得极为顺利。
- The decision will only cloud the issue. 这一决定只能使这一问题变得复杂起来。
- When does the new law come into operation? 这项新法律何时生效？
- A cloud of smoke was suspended in the air. 一股烟云飘悬在天空中。
