opal

核心释义

a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones

1. 1.

   一种矿物,成分与石英同为二氧化硅,但硬度和比重低于石英,化学式为SiO2·nH2O。

   A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO2·nH2O.

2. 2.

   一种由水合硅石组成的半透明矿物,颜色多变；某些品种用作宝石

   a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones

3. 3.

   蛋白石的颜色:任何带有白色、黄色和红色等亮色斑点的蓝色色调。

   The colour of opal: any shade of blue with bright flecks of other colours, such as white, yellow, and red.

4. 4.

   分子生物学中对终止密码子序列“UGA”的俗称。

   A colloquial name used in molecular biology referring to a particular stop codon sequence, "UGA."

5. 5.

   内索莱卡纳属的各种灰蝶。

   Any of various lycaenid butterflies of the genus Nesolycaena.

一种矿物,成分与石英同为二氧化硅,但硬度和比重低于石英,化学式为SiO2·nH2O。；一种由水合硅石组成的半透明矿物,颜色多变；某些品种用作宝石；蛋白石的颜色:任何带有白色、黄色和红色等亮色斑点的蓝色色调。；分子生物学中对终止密码子序列“UGA”的俗称。；内索莱卡纳属的各种灰蝶。