Lead azide
[化] 叠氮化铅
🧩 词语组成解析
lead
[lid]
vt. 领导;引导;指挥;
vi. 领导;导致;用水砣测深;
n. 铅;领导;榜样;枪弹;
adj. 领头的;最重要的;领先的;
n. [化]叠氮化物
🗣️ 情景例句
That's insane.
有没有搞错。
Competition between bidders for this valuable painting has been keen.
拍卖时各出价对这幅名画竞争很激烈。
Before? After? said the doctor.
“饭前？饭后？”医生说。