Silex

[saileks]

解释:

(noun.) a vacuum coffee maker.

(noun.) a pure form of finely ground silica.

录入:奥维尔--From WordNet

解释:

(n.) Silica, SiO2 as found in nature, constituting quarz, and most sands and sandstones. See Silica, and Silicic.

比利编辑

同义词及近义词：

n. Silica, silicic acid, pure quartz, pure flint, oxide of silicon.

手打:普里西拉

解释:

n. silica as found in nature occurring as flint quartz rock-crystal &c.

手打:内蒂