基本解释小时(hour的缩写), 人力资源(human resources 的缩写)。同根派生 hr相关词英汉例句noun [ C ]He ran the marathon in 2 hrs 48 mins. 他以2小时48分跑完马拉松全程。formal The plane departs at 15.00 hrs. 那架飞机15:00起飞。hr更多例句英英字典剑桥英英字典 written abbreviation for hourhr剑桥字典hr柯林斯字典