Lead tetramethyl
[化] 四甲基铅
🧩 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;
a. [化]四甲基的
🗣️ 情景例句
I can't make up my mind about it.
关于那件事，我还不能做决定。
The least said, the soonest mended.
（or Least said， soonest mended） 少说为佳。
he had great difficulty in controlling the car because a tyre burst during the first run.
但他很难把汽车控制住，因为在开始的行程中爆了一只轮胎。