aquatic ecosystem
英
美
- 水生生态系统
双语例句
- Further complicating this issue is the need to maintain healthy aquatic ecosystems.
更为复杂的问题在于保持健康的水生生态系统的需要。 - The result showed that the pollution of the waterbody exerted agreat disadvantageous effect to the Haihe River ecosystem.
结果表明，水体污染已经对海河水生生态系统产生了明显的有害影响。
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