- any parasitic or free-living invertebrate of the phylum Platyhelminthes, including planarians, flukes, and tapeworms, having a flattened body with no circulatory system and only one opening to the intestine
| 单词 | flatworm |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 flat•worm (flat′wûrm′),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: flatworm /ˈflætˌwɜːm/ n
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