您要查找的是不是：
- Clouds are collecting. 云集拢来了。
- 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。
- Dark clouds are a sign of rain or snow. 乌云是雨或雪将至的预兆。
- We are collecting money for children in need. 我们在为贫困儿童募捐。
- We are collecting money for the famine victim. 我们在为遭受饥荒的灾民募捐。
- Black clouds are an unmistakable sign of coming rain. 乌云是下雨的明显前兆。
- In the evening the rosy clouds were gorgeous. 傍晚的云霞绚丽多彩。
- The clouds are fleeting before wind. 云在风前飞驰而过。
- We are collecting the stuff for the report. 我们正为报告收集资料。
- The clouds are gathering,it will probably rain. 乌云在集结，天可能要下雨。
- War clouds are gathering in the Middle East. 中东战云密布。
- Jill and Bill are collecting bottles. 吉尔和比尔正在收集瓶子。
- Clouds are banking up along the horizon . 云在地平线上集结成堆。
- We are collecting money in aid of cancer research. 我们正筹集资金以资助癌症研究。
- Clouds are banking up along the horizon. 云在地平线上集结成堆。
- We are collecting money for families in need. 我们正在为有困难的家庭募捐。
- Dark clouds were gathering in the sky. Heavy rain would come soon. 乌云密布，大雨就要来临。
- Heavy clouds are the forerunners of a storm. 阴云密布是暴风雨的前兆。
- We could have got in for nothing nobody was collecting tickets. 我们本可以不买票就进去--根本没人收票。
- The rosy clouds are slowly rising. 云蒸霞蔚。
