1590s, "type of shellfish that yields mother-of-pearl," from Middle French nacre (14c.), from Italian naccaro (now nacchera), possibly from Arabic naqur "hunting horn" (from nakara "to hollow out"), in reference to the shape of the mollusk shell. Meaning "mother-of-pearl" is from 1718.
双语例句
1. Objective To study the extractive technique of amino acid in nacre.
目的研究珍珠母中氨基酸的提取工艺.
来自互联网
2. Recent advances in nacre used as bone implant are reviewed in this paper.
摘要珍珠层是一种天然的纳米生物陶瓷材料,一直是生物矿物材料学者研究的焦点.
来自互联网
3. I am that grain of salt, and I am also the nacre tears that the oyster cried.
我是那粒沙, 也是牡蛎哭泣时流出的珍珠泪.
来自互联网
4. The oyster covers the piece of shell with a pearly substance known as nacre.
牡蛎分泌一种叫做“珠母贝”的珍珠状物质覆盖那一小片贝壳.
来自互联网
5. It is likely that nacre will become a good candidate for bone graft substitution in future.
