| 单词 | 形成硬壳 |
| 释义 | 〔barnacle〕Any of various marine crustaceans of the subclass Cirripedia that in the adult stage form a hard shell and remain attached to submerged surfaces, such as rocks and ships' bottoms.藤壶：一种蔓足亚纲的海洋甲壳类动物，成年期形成硬壳且固着在没入水的表层，如岩石和船底 |
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