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abbr.[计量]公里(kilometer)，千米...
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km的复数形式为：km...
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Sanya has 16 seaports, 10 islands and 180 km of coastline.三亚有16个港口 、 10个海岛和180公里的海岸线.Walsham had his moment of glory when he won a 20km race.沃尔沙姆夺得20公里比赛冠军的那一刻无比荣耀。Police pulled him over doing 120km/h, making rapid chang...
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New Japanese cars averaged 13 km to the litre in 1981.1981年，新型的日产汽车平均每升汽油能跑13千米。Our speed averaged out at 50 km an hour.我们的平均速度是每小时50公里.For those uninitiated in scientific ocean drilling, the previous record was a little...