P.M.基本解釋
abbr.=post meridiem 下午; (=per minute)每分鐘; (=pro memoria)為了紀念，以作紀念; (=purpose made)特制的，特殊用途的
P.M.反義詞
形容詞A.M.
P.M.
P.M.詞典解釋
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.
休閑健身中心晚上9點關門。