ping

1. V-I If a bell or a piece of metal pings, it makes a short, high-pitched noise. 發(fā)出“砰”的聲音

The lift bell pinged at the fourth floor. 該電梯鈴在四樓發(fā)出響聲。

2. N-COUNT Ping is also a noun. “砰”的聲音

...a metallic ping. ...金屬的一種抨擊聲。