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
If I don't accept her offer,
假如我不接受她这个工作机会，
I'm Clifton, and I've been associated with this project since the beginning.
我叫克里夫敦，从一开始我就参与了这项计划。
and beyond six or seven they are worthless.
如果超过六七天，天气预报就没有了任何价值。