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
Robbie, will you help me serve? Robbie
你能帮帮我吗？
Her skirt is behind the chair.
她的裙子在椅子后面。
After that she helped her parents. She quickly cooked the supper, and cleaned the house.
之后她给父母帮忙。她很快煮好了晚餐，并把房子打扫干净。