Pinger
n. 声脉冲发送器, 铃声定时器
🗣️ 情景例句
We have to maintain communication to understand each other.
必须保持交流以求相互理解。
No, No. You can't do it like that.
不行，不行。不能随你那样做。
Does he have your number?
他有你的电话号码吗？