Perf.
abbr. 穿孔（perforate）
🗣️ 情景例句
I'm exhausted. I had to work until 2 o'clock this morning.
我累死了。我一直得干到今天早上2:00。
Won't you come in, please?
请进来好吗？
The sweets went everywhere!
糖散得到处都是！