海狸鼠会严重破坏生态系统。
如果预计气温持续升高的话，整个生态系统都将遭到破坏。
If temperatures continue to rise as projected, the entire ecosystem could suffer.
少了他们会使整个生态系统遭到破坏。
这些异种基因会不会破坏我们赖以生存的、脆弱的生态系统？
Will these alien genes harm the fragile ecosystem upon which we all depend?
也许因此引发洪水、城市和生态系统遭受破坏等后果。
Possible consequences include flooding and damage to both cities and ecosystems.
专家担心干旱会使这个地区整个生态系统受到破坏。
Experts fear the drought could trigger a breakdown of the area's entire eco-system.
严禁破坏原生态系统。
严禁破坏原生态系统。
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