a person, organization, or device that spreads substances such as certain chemicals in clouds, in order to try to make them produce rain, or more rain

To cloud seeders, the chilly mist is a promising source of rain. 对进行云种散播的人来说，寒冷的雾气是一个很有希望的雨源。

Farmers, ranchers and power companies hire their cloud seeders. 农场主、牧场主和电力公司雇用了实施云种散播的公司。