ping2 verb 1. [intransitiveI]SOUND to make a short high ringing sound 发出砰[当]的一声
2 [transitiveT] informal to send an email to someone, telephone them etc 给某人发邮件/打电话等 We'll ping you with confirmation of your booking. 我们会发电子邮件确认您的订单。
3. [transitiveT] to send a message to a computer, usually in order to find out if a connection is working 向计算机发送指令〔以检测网络连接〕