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| 珍珠光泽; 珍珠层 (质); 珠蚌 | |||
| 珍珠层; 珠母贝 | |||
| 真珠质; 真珠层 | |||
| 珍珠母; 珠光; 闪光效应 | |||
| 珍珠质 | |||
| 英语 词库 | |||
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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 短语, 5 学科 |
| 植物学 | 1 |
| 珠宝 | 6 |
| 石油/石油 | 1 |
| 纺织工业 | 11 |
| 衣服 | 1 |