Perf.
abbr. 穿孔（perforate）
🗣️ 情景例句
Can I set it up now?
现在可以预约吗？
We were pleased to hear from your letter of 6 August that you were impressed with our selection of toys.
我们很高兴收到你方8月6日来函得知你方对我们的玩具非常感兴趣。
Nice to meet you.
很高兴见到你。