| 单词 | 海洋生 |
| 释义 | 〔comatulid〕Any of various marine invertebrates of the class Crinoidea, such as the sea lilies and feather stars, that are attached to a surface by a stalk when young but may be free-swimming as adults.海羊齿：一种海百合类海洋生无脊椎动物，如带柄海百合及毛头星，幼年时漂浮，成年时可自由游动. |
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