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| 珍珠光泽; 珍珠层 (质); 珠蚌 | |||
| 真珠质; 真珠层 | |||
| 珍珠质 | |||
| 珍珠母; 珠光; 闪光效应 | |||
| 珍珠层; 珠母贝 | |||
| Anglais glossaire | |||
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| The usually whitish crystalline substance which the mollusc secretes around a foreign "intruder" and which forms what we know as the pearl. Layers build up over time. | |||
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nacre : 20 phrases, 5 sujets |
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| Botanique | 1 |
| Industrie textile | 11 |
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