名词
中文翻译：河流马
同义词：
['river mammal', 'river deer例句：1. The river horse is a rare species that can be found only in certain parts of the world.（河流马是一种罕见的物种，仅在某些世界部分发现。）2. The river horse is an important symbol of nature conservation.（河流马是自然保护的重要象征。）3. The river horse is a beautiful creature with long flowing manes and tails.（河流马是一种美丽的生物，拥有长长的流苏般的鬃毛和尾巴。）']
例句：
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1. The river horse is a rare species that can be found only in certain parts of the world.
河流马是一种罕见的物种，仅在某些世界部分发现。
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2. The river horse is an important symbol of nature conservation.
河流马是自然保护的重要象征。
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3. The river horse is a beautiful creature with long flowing manes and tails.
河流马是一种美丽的生物，拥有长长的流苏般的鬃毛和尾巴。