ecosystems n. 生态系统(ecosystem的复数)
- Because at random was exactly how humans were trying to restore ecosystems.
要知道,人类还原生态系统的方式恰恰是很随意的。 - At one extreme are pure, natural ecosystems like an alpine meadow or a mangrove swamp.
其中一个极端是纯净的自然生态系统,如高山草甸或是红树林沼泽。 - Any shortening of the food chain is likely to destabilise entire ecosystems, possibly leading to new ones in which just one or two species, such as jellyfish, predominate.
食物链的任何短缺都很可能导致整个生态系统不稳定,也许会形成新的食物链,只由一个或两个物种支配,如水母。
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