Lead azide detonator
[机] 叠氮化铅雷管
🧩 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
n. 雷管, 炸药\\n[化] 雷管
🗣️ 情景例句
Who's in charge here?
这儿谁负责？
A straw shows which way the wind blows.
一叶便知秋。
It was the last day of the year and a large crowd of people had gathered under the Town Hall clock.
那是一年的最后一天，一大群人聚集在市政厅的大钟下面。