传令官

例句：

1. 1. The general sent a courier to deliver the important message.
   将军派了一个信使来传递重要消息。
2. 2. The messenger delivered the package to the post office.
   信使将包裹送到邮局。
3. 3. The courier arrived on time and handed over the package to the receiver.
   信使准时到达，并将包裹交给了收件人。