Lead dialkyl
[化] 二烷基铅
🧩 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;
[机] 二烷基
🗣️ 情景例句
It's OK, Harry.
没关系， Harry。
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
A few peopple in each group are given the task of remembering the group's family history that goes back over centuries.
每一个家族都有几个人担任记忆延续了几个世纪的家史的任务。