environmentalist

名词 environmentalist:

1. someone who works to protect the environment from destruction or pollution
   同义词：conservationist

1. The environmentalists formed their own party.
   环境保护主义者组成了自己的团体
2. The environmentalist launched out at great length on energy preservation.
   这位环境保护论者就节约能源问题发了一通议论。