基本解释小時(hour的縮寫), 人力資源(human resources 的縮寫)。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小時48分跑完馬拉松全程。formal The plane departs at 15.00 hrs. 那架飛機15:00起飛。hr更多例句英英字典劍橋英英字典 written abbreviation for hourhr剑桥字典hr柯林斯字典