Tetratolyl lead
[化] 四甲苯基铅
🧩 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;
🗣️ 情景例句
Because it's also known now as Youth Day. So you see-
因为这个节日还被称为是青年节，所以你明白了-
You cannot break the contract without any good reason.
如果没有什么正当理由，你们不应撕毁合同。
Mainframe computers were very large indeed, often occupying whole air-conditioned rooms,
计算机主机确实很大，常常占据了装有空调的多间房间，