下午英文怎么说简写

"下午" 英语中的缩写是 "pm"。

"pm" 来源于拉丁语 "post meridiem"，意思是 "下午"。

例句:

"I'll meet you at 2 pm." (我会在下午2点见你)
"The store closes at 9 pm." (商店在晚上9点关门)
"I usually go to bed around 11 pm." (我通常在晚上11点左右睡觉)