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- The Experience For The Cloud Observation At Night 对夜间云观测的体会
- The plane climbed until it was clear of the clouds. 飞机爬升穿出了云层。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- Weather observations are few in number, but the satellite-based cloud observations show a zigzag series of ups and downs in the average cloud amount where the path crosses between the two countries. 天气观测总数上是很少的，但是基于卫星的云量观测显示，平均云量在这两个国家之间的日食路径上，是一个高低起伏的之字形。
- For a while, the darkling star disappeared behind thick clouds. 隐约出现的星星暂时消失在厚厚的云层後面了。
- I peep out the porthole and see a sea of clouds. 我从飞机的舷窗向外张望，看到一片云海。
- Rain clouds are banking up. Hope they'll blow over. 雨云正在聚积起来。希望它们会散去。
- In the evening the rosy clouds were gorgeous. 傍晚的云霞绚丽多彩。
- The lowering clouds threaten rain. 这阴霾的云层预示即将下雨。
- He waited and waited till the clouds rolled by. 他等了又等，直到时机到来。
- Dark clouds are a sign of rain or snow. 乌云是雨或雪将至的预兆。
- The sun burst through after the clouds rolled away. 乌云滚滚而去后，太阳破云而出。
- The black clouds threatened rain. 乌云密布预示着将要下雨。
- The moon peeped out from behind the clouds. 月亮从云层中隐现。
- He was taken into hospital for observation. 他被送进医院观察。
- The sun burst through the clouds. 太阳从云缝里露出来了。
- Careful observation convinced them that is was so. 仔细的观察使他们相信情况是这样的。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- It's basically wrong to have observation taken off from hearsay. 以道听途说作为意见的根据是根本错误的。
- Those black clouds look a bit ominous. 乌云压顶，来势不妙。
