名词
中文翻译：水蛭
同义词：
['leech', 'water worm例句：1. The Sipunculus was a small creature that could be found in the river.（水蛭是一种可以在河流中找到的小生物。）']
例句：
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1. The Sipunculus was a small creature that could be found in the river.
水蛭是一种可以在河流中找到的小生物。
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2. The Sipunculus is known for its ability to inject toxic substances into prey.
水蛭因其将有毒物质注入猎物的能力而闻名。
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3. The Sipunculus is an important species in the ecosystem, providing food and shelter for other animals.
水蛭是生态系统中的重要物种，为其他动物提供食物和庇护所。