Fire had polished the sparkling enamel of its inner walls, sprinkled all over with mica-rich dust.

火力把珐琅质和发光泽为洞壁摩亮了，洞壁上满是云石粉屑。

By the weak light from a few torches within the entrance to the long tunnel, the snowflakes gave off a faint blue glow, like pieces of dancing mica.

在长长入口处几支火炬微弱光芒下，雪花发出淡淡蓝光，仿佛是片片舞动云。

And even as the refined product has become cheaper, the price of spodumene, a feedstock used to transform lithium ores, remains high, squeezing processors' margins.

而且即使精炼产品已经变得更便宜，用于转化锂矿原料——锂云仍然很高，这挤压了加工者利润率。

I mean, like the Vikings needed a special diffracting piece of mica to navigate because they could never see the sun.

我意思是，就像维京人需要一块特殊云来导航，因为他们根本看不到太阳。

Radiation enters through this window made of mica and knocks off electrons from the gas, typically argon.

辐射通过这扇由云制成窗口进入，并从气体（通常是氩气）中击落电子。