biology a small, simple, tube-shaped water animal
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Sea creatures
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medical a small mass of cells that grows in the body, and is usually not harmful
Swellings & lumps
a small mass of tissue that grows in the body
英语词典包含110679条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。