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
It's Grandma's recipe.
这是奶奶的配方。
They jumped at the unexpected noise.
他们因突如其来的声音吓得跳了起来。
We were in a better position than they were.
我们的处境比他们要好。