An outer layer or covering. The outermost layer of a pearl; (also) each of the layers composing a pearl, including the outermost one.
| 单词 | θ215682 |
| 释义 | society > occupation and work > materials > raw material > gem or precious stone > pearl > [noun] > outermost layer of (1) skin1885 An outer layer or covering. The outermost layer of a pearl; (also) each of the layers composing a pearl, including the outermost one. |
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