| 单词 | helmet shell |
| 释义 | helmet shellnouna predatory marine gastropod of the family Cassidae, characterized by a thick, heavy shell with a broadened outer lip. the shell of this animal, often used for making cameos. Origin of helmet shellFirst recorded in 1745–55 Words nearby helmet shellHelmand, helmer, helmet, helmeted guinea fowl, helmet liner, helmet shell, Helmholtz, Helmholtz function, helminth, helminthagogue, helminthemesis Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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