名词
中文翻译：水母
同义词：
['jellyfish', 'hydra', 'hydrozoan']
例句：
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1. The aquamotrices are fascinating creatures that can change colorto blend in with their surroundings.
水母是令人着迷的生物，它们可以改变颜色以与周围环境融为一体。
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2.The jellyfish is a commonsight at the beach during the summer months.
在夏季，海蜇是海滩上常见的景象。
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3. The hydrozoan is a typeof marine animal that lives in water andfeeds on plankton.
水螅是一种生活在水里的海洋动物，以浮游生物为食。