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- 这座工厂排出的化学物质改变了整个地区的生态。
Chemicals in the factory's sewage system have changed the ecology of the whole area.
- 人类采用一切手段保持生态平衡。
Mankind have been trying every means to maintain the balance of nature.
- 这些大森林的毁坏会带来生态上的严重后果。
The destruction of these big forests could have serious ecological consequences.
- 他开始研究生态学,并决心将他的一生献身于这门科学。
He started to study ecology and decided to devote his whole life to the science.
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海词词典,十七年品牌