mailcatcher

n. 邮包取送器(从邮包吊杆接取或发送邮包的装置)

词形变化

mailcatchers 复数 mailcatchers

别名

catcher

释义与例句

n.
  1. 1.

    A device on a train for picking up mailbags while the train is in motion.

    历史 交通

词源

From mail + catcher.

来源：wiktionary