Unden
n. 残杀威（一种杀虫剂）
🗣️ 情景例句
You don't?
你没打？
I'm afraid I don't know. Let me ask the supervisor in this section.
恐怕我不知道，让我来询问一下该组的负责人。
I'm sorry, I can't find it. I thought it was in my coat.
对不起，我的票找不到了。我原来以为是放在大衣里。