health state of ecological system的用法和樣例：
例句
- Research Review on Wetland Ecosystem Health.
濕地生態(tài)系統健康研究進(jìn)展。 - Biju said that frogs in India, like frogs in South America, are considered an important indicator species for the health of an ecosystem.
比優(yōu)稱(chēng)印度的青蛙和南美的青蛙一樣，被認為是生態(tài)系統健康的一個(gè)重要指示物種。
