ecosystem

/ˈikoʊˌsɪstəm/

a system formed by the interaction of a community of organisms with their physical environment

中文释义：生态系统

Coral reefs are one of the most diverse ecosystems on the planet.

珊瑚礁是地球上最多样化的生态系统之一。

Human activities have disrupted many fragile ecosystems worldwide.

人类活动破坏了全球许多脆弱的生态系统。