n. the bags of letters and packages that are transported by the postal service
n. the system whereby messages are transmitted via the post office
n. a conveyance that transports the letters and packages that are conveyed by the postal system
n. any particular collection of letters or packages that is delivered
n. 邮件, 邮政, 邮递, 盔甲
vt. 邮寄, 给...穿盔甲
[计] 邮件