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
What do you like about it?
你喜欢它哪一点呢？
Yes, I got dressed and had breakfast.
是,我穿好衣服了并且吃了早餐。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。