nacreous

As a result, nacre thickness is sometimes just a cosmetic layer that can wear thin over time.

所以真珠质的厚度就像脸上化妆品，不久就会磨薄了。

real silk, gold, pearls, etc

真丝、 真金、 真正的珍珠

(Not only then are the smaller, less robust creatures but the pollution in the water changes the color of the nacre and changes the color of the pearl.

（珠蚌不但更小，生命力更弱，受到污染的水会改变真珠质和珍珠的颜色。

Not only then are the smaller, less robust creatures but the pollution in the water changes the color of the nacre and changes the color of the pearl.

珠蚌不但更小，生命力更弱，受到污染的水会改变真珠质和珍珠的颜色。

He guaranteed the jewel (to be) genuine.

他保证这珠宝是真的。

Is that a real string of pearls?

那串珍珠是真的吗？

Fungus-derived carcinogens include the aflatoxins and fumonisins.

真菌产生的致癌物质包括黄曲霉毒素和串珠镰孢菌毒素。

Construction and study of the immunogenicity of eukaryotic plasmids of the sap2 gene of Candida albicans

白色念珠菌sap2基因真核表达质粒的构建及免疫原性研究

Construction of the eukaryotic expression plasmid for mp65 gene of Candida albicans

白念珠菌mp65基因真核质粒的构建及免疫原性研究

B: Well, natural pearls are of hifher value, but the cultured pearls have equal luster and are just as beautiful.

嗯，真珠的价值较高。不过实际上，养珠也跟真珠一样光彩美丽.

Oyster requires clean water to produce good pearls.

珠蚌需要洁净的水来生产优质珍珠。

B: Yes. Natural pearls or cultured pearls? We have both kinds.

有的。要真珠的和还是养珠的？两种我们都有.

DYNAMIC ANALYSIS AND SIMULATION OF A RE-CIRCULATION MECHANISM IN BALL SCREW

滚珠丝杠副滚珠循环系统的动力学研究和仿真

Well, natural pearls are of higher value, but the cultured pearls have equal lustre and are just as beautiful.

嗯，珍珠的价值更高。不过实际上，养珠也跟真珠一样光彩美丽。

Xin Li brand series advertising ball pens will stick to its management criterion of sincerity, actuality and mutual benefit and offers high quality products and good services for you.

广告圆珠笔将一如既往坚持自己的经营准则：真诚、在、惠地为你提供优质产品和优良服务。

Effect of economic development on water quality in Zhujiang Estuary;

珠江口沿岸城市经济发展对珠江口水质的影响

On the Relation Between Impearling Operation and the Quality of Fresh Water Pearl;

试论育珠手术作业与淡水无核珍珠质量的关系

The gangster whipped the pearls off the counter.

那匪徒迅速把柜台上的真珠洗劫一空。