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 of smoke emitted from the chimney. 一股烟从烟囱里喷出来。
- The chimney blew out a cloud of light smoke. 烟囱里冒出一股青烟。
- The chimney is almost choked up with soot. 烟囱几乎被烟垢堵住了。
- The chimney blew out a cloud of black smoke. 烟囱里喷出一团黑烟。
- The explosion toppled the near chimney. 这次爆炸把不远处的烟筒炸倒了。
- The chimney emitted a cloud of smoke. 烟囱吐出一片烟雾。
- The smoke from chimney is spreading out in the sky. 烟囱冒出的烟正在空中散开。
- A great cloud of smoke billowed out of the chimney. 滚滚浓烟从烟囱中喷涌而出。
- Sparks from the fire were flying up the chimney. 火星沿著烟囱向上飘。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- She is sweeping the soot off the chimney. 她正把烟筒里的黑灰扫掉。
- 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。
- Wreaths of smoke rose from the chimney. 一圈圈的烟从烟囱冉冉升起。
- The sun disappeared behind a cloud. 太阳消失在一片云后面。
- A chimney could be seen smoking in the distance. 看得见远处的烟囱在冒烟。
- Volumes of black smoke poured fromthe chimney. 烟囱里冒出来团团黑烟。
- The wind dispersed the cloud from the sky. 风吹散了天上的云。
- The explosion toppled the old chimney. 这次爆炸把那个旧烟囱给炸倒了。
