Alkalis
n. 碱质, 碱金属
🗣️ 情景例句
Forgive me if I'm wrong, but haven't we met before.
如果我弄错的话请原谅我，我们以前见过面吧？
Yes, this is Shen speaking.
是的，我姓沈。
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。