tree-hugger

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈtree-ˌhugger noun [countable] informal  someone who wants to protect the environment, and who takes part in protests which some people think are silly – used to show disapproval “树痴”，环保主义分子〔含贬义〕

ˈtree-ˌhugger nounChineseSyllable  

tree-hugger
ˈtree-ˌhugger noun [countable] informal
someone who wants to protect the environment, and who takes part in protests which some people think are silly – used showing disapproval

tree-huggerBrE /ˈtriː hʌɡə(r)/ 🔊NAmE /ˈtriː hʌɡər/ 🔊 noun (informal, usually disapproving) a person who cares very much about the environment and tries to protect it 抱树人，环保狂（指过度热衷环保的人）