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
About eight o'clock?
差不多八点钟好吗？
The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探询与贵公司建立贸易关系的可能性。
Yesterday my husband removed the gate and Rex got so annoyed we have not seen him since.
昨天，我丈夫把门卸了下来，雷克斯很生气，此后我们便再也没有见到它。