messenger ribonucleic acid

例句：

1. 1. The messenger delivered the package to herhouse.
   邮递员将包裹送到了她的家。
2. 2. He was a messenger for the government.
   他为政府当邮递员。
3. 3. Themessenger brought the message from the sender tothe receiver.
   邮递员把消息从发送者带到接收者。