Lead tetracthyl
[机] 四乙基铅
🧩 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
Our pleasure.
非常荣幸。
She's not at her desk right now.
这会儿她不在办公室办公。
At that time, gold was discovered in California and thousands of people rushed there to look for gold.
当时有人在加利福利亚发现了黄金，于是成千上万的人涌到那里去寻找金子