Sodium ethylxanthate
[建] 乙基黄原酸钠
🧩 词语组成解析
sodium
['sodɪəm]
n. <化>钠(11号元素，符号 Na);
🗣️ 情景例句
That's out of the question.
决不可能。
He didn't visit this country on the tour.
他在旅行中不拟访问这个国家。
Sure enough, a policeman arrived on the scene and politely asked the workmen to go away.
果然，警察来了，不礼貌地请工人离开此地；