Lead dimethyl
[化] 二甲基铅
🧩 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;
[医] 二甲基
🗣️ 情景例句
I wasn't good at it, and I didn't like studying it.
我不精于此道， 也不爱去学它。
David would get up early in the morning to deliver newspaper.
戴维一早起床就去送报纸。
His vanity was hurt by their talking so frankly.
他们坦率的谈话伤害了他的虚荣心。