Ditolamide
地託胺
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
When is the most convenient time for us to meet?
我们什么时候见面最方便呢？
I had traced the cause of the trouble.
因为我找到了毛病所在。