Regularity problem
[计] 正则性问题
🧩 词语组成解析
🗣️ 情景例句
Well,
嗯，
The staff in this shop is very helpful.
这家商店的店员很热心。
As the cry was repeated several times, she ran to tell the manager who promptly rang up the fire brigade.
由于这种喊叫声重复了几次，她跑去报告经理，经理当即给消防队挂了电话。