| 单词 | pennatulacean |
| 释义 | pennatulacean/ˌpɛnɪtjʊˈleɪʃn/ /ˌpɛnɪtʃʊˈleɪʃn/Zoology adjective Of or relating to the order Pennatulacea of alcyonarian coelenterates, which have an elongated primary polyp anchored in sand or mud and usually bear secondary polyps on lateral branches. noun A coelenterate of this order; a sea pen. Origin |
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