Lead dialkyl
[化] 二烷基铅
🧩 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;
[机] 二烷基
🗣️ 情景例句
and ask her to come by and talk about it.
请她过来谈谈这件事。
I worked as an intern in that firm last summer.
去年夏天我在那家商行实习。
Oh, I've already seen it.I saw it on television last year.
噢，我已看过了。我是去年在电视上看的。