Eschka mixture(for sulfur determination)
[化] 埃希卡混合劑; 埃希卡測硫混合劑
?? 詞語組成解析
sulfur
['s?lf?]
n. 硫磺，硫黃;硫磺色;
vt. 用硫磺處理;
??? 情景例句
Harry, what would you like? Harry
你要什么？
Are you pulling my leg?
你在開我玩笑嗎？
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飛機飛抵飛機失事現(xiàn)場，來搭救這幾個幸存者。