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。
- Accuracy of Point and Line Measures of Boundary Layer Cloud Amount 边界层云量的点和线测量的准确度
- 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。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- 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。
- The moon was shining through a thin layer of cloud. 月亮透过薄薄的乌云层发光。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- The sun disappeared from view behind a cloud. 太阳被云遮住看不见了。
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- 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。
- A cloud of smoke was suspended in the air. 一股烟云飘悬在天空中。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- A cloud is a mass of vapour in the sky. 云是天空中的水汽团。
