ecologist

The ecologist studied how the construction of the dam would affect the local fish population.

(Chinese) 生态学家研究了水坝的建设将如何影响当地的鱼类种群。

Ecologists are working hard to protect the endangered species living in the rainforest.

(Chinese) 生态学家正努力保护生活在雨林中的濒危物种。