名词
中文翻译：珍珠母
同义词：
['珍珠母，珍珠层例句：1. The ancient Chinese emperor was buried with a precious pearl in his tomb.（古代中国皇帝的陵墓中埋藏着一颗珍贵的珍珠。）']
例句：
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1. The ancient Chinese emperor was buried with a precious pearl in his tomb.
古代中国皇帝的陵墓中埋藏着一颗珍贵的珍珠。
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2.The pearl layer is essential for the growth of coral reefs.
珍珠层对于珊瑚礁的生长至关重要。
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3. The pearl layer is often used as an ornamental material in jewelry making.
珍珠层常被用作珠宝制作的装饰材料。