弘扬国学 · 传承文化

金词典

首页英语词典quartzquartz英英释意

quartz

英英释义同义词辨析词组搭配考试真题实用场景例句

n. 石英

英英释意

1. colorless glass made of almost pure silica

2. a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities