send-receiver

例句：

1. 1. The sender sent the message viaemail.
   发送者通过电子邮件发送了信息。
2. 2.The receiver received the package on time.
   接收者按时收到了包裹。
3. 3. The sender and receiveragreed to meet at the post office.
   发送者和接收者同意在邮局见面。