单词 | scyphistoma |
释义 | Word Frequency scyphistoma(saɪˈfɪstəmə) nounWord forms: plural -mae (-ˌmiː) or -mas a sessile hydra-like individual representing the polyp stage of scyphozoans. It produces forms which become free-swimming jellyfish Word origin C19: from Greek skuphos cup + stoma |
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