- any echinoderm of the class Holothuroidea, having an elongated body covered with a leathery skin and bearing a cluster of tentacles at the oral end. They usually creep on the sea bed or burrow in sand
| 单词 | sea cucumber |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 sea′ cu′cumber,
Collins Concise English Dictionary © HarperCollins Publishers:: sea cucumber n
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