名词
中文翻译：共生生物
同义词：
['co-existing organisms', 'mutualistic species']
例句：
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1. In the ecosystem, different species co-exist to maintain a balance.
在生态系统中，不同的物种共同存在以维持平衡。
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2. The two species are known for their ability to co-exist peacefully.
这两种物种因其和平共处的能力而闻名。
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3. Co-existence is essential for the survival of both species.
共存对于两种物种的生存至关重要。