首頁›Browse›K›kilometres per hourkilometres per hour編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看kilometres per hourkilometres per hour — 名詞名詞1. a unit for measuring speed, equal to one kilometer traveled in one hour1.名詞釋義公里每小時a unit for measuring speed, equal to one kilometer traveled in one hour例句The speed limit is 50 kilometres per hour.