hrs名词小时(hour的缩写)The plane departs at 15.00 hrs.那架飞机15:00起飞。/ˌeɪtʃˈɑːr/名词人力资源(human resources 的缩写)An ageing workforce is a worry to many HR bosses.劳动力老龄化是让很多人力资源负责人伤脑筋的事情。想跟读,去练习