Lead ethyl
[化] 二乙铅; 乙基铅; 二乙基铅
🧩 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;
[化] 乙基\\n[医] 乙基
🗣️ 情景例句
Why do we need a swimming pool? Everyone in the family hates swimming!
我们需要游泳池做什么呢？家里人都讨厌游泳。
Would you care for a cup of coffee?
你要不要来杯咖啡？
After I had sat down, he said that business was very bad.
待我坐下后，他说生意非常不景气。