Lactazam
[化] 内酰联胺
🗣️ 情景例句
How do I address you?
我该怎样称呼你？
Well, I'm sorry you have to leave so early.
哦，很遗憾，你非得这么早走不可。
'Hello, Nigel,' I said.'Fancy meeting you here!'
“你好，奈杰尔，想不到在这儿见到你。”我说。