P.M.基本解释
abbr.=post meridiem 下午; (=per minute)每分钟; (=pro memoria)为了纪念，以作纪念; (=purpose made)特制的，特殊用途的
P.M.反义词
形容词A.M.
P.M.
P.M.词典解释
1. 下午；午后
p.m. is used after a number to show that you are referring to a particular time between 12 noon and 12 midnight.
e.g. The spa closes at 9:00 pm.
休闲健身中心晚上9点关门。