Heptamide
庚酰胺
🗣️ 情景例句
And I would like to introduce the young man
现在我希望向大家介绍这位年轻人
Excuse me? I didn't hear what you said.
对不起，我没有听清你说的话。
He talks as if he were the head of the office.
他说话的口气像办公室主任似的。