n. 生态系统
Sustainable management of ecosystems will prove rewarding in the long run.
生态系统的可持续性管理
The potential harm to the ecosystem.
对生态系统的潜在危害
It is home to one of the world's finest marine ecosystems, with more than 1,300 species of fish and 700 species of coral.
海洋生态系统
BrE /əˌbriːviˈeɪʃn/