Lead diethide
[化] 二乙基铅
🧩 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;
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
I must be the first.
我一定要得第一。
As the cry was repeated several times, she ran to tell the manager who promptly rang up the fire brigade.
由于这种喊叫声重复了几次，她跑去报告经理，经理当即给消防队挂了电话。