| 单词 | ear-stone |
| 释义 | ear-stone in British English (ˈɪərˌstəʊn) noun anatomy a calcium carbonate crystal in the ear of vertebrates ear stone in American Englishnoun Anatomy & Zoology a calcareous concretion in the internal ear of vertebrates; otolith Word origin [1850–55]This word is first recorded in the period 1850–55. Other words that entered Englishat around the same time include: clear-cut, cloakroom, ethos, ethylene, proletariat |
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