Lead diethyl
[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;
a. [化]二乙基的
🗣️ 情景例句
You haven't changed much in fifty years.
你五十年来没有什么变。
The more a man knows, the less he knows he knows.
懂得越多，就越知道自己懂得不多。
It was this that betrayed me.
正是这副模样泄露了我的秘密。