Barium azide
[化] 叠氮化钡
🧩 词语组成解析
barium
[['bɛəriəm]]
n. 钡\\n[化] 钡Ba
n. [化]叠氮化物
🗣️ 情景例句
before getting to the tough stuff--math.
在对付难缠的东西 数学 之前。
Keep good men company, and you shall be of the number.
近朱者赤。
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。