kilometer per hour

kilometer per hour 80km/h 应读作80kilometer per hour还是80kilometers per hour? 用per hour怎样造句 sixteen kilometers per hour的中文是什么? (=knots per hour)节(海里/小时) 时速用英文翻译是不是speed per hour 英语翻译mass of one kilometer accelerate at one meter per second squared 300miles per hour 可以说 300miles an hour吗 sth.flew at 36 kilometers per hour.The plane flew at 36 kilometers per hour.对at 36 kilometers per hour划线提问. How many miles per hour does it travel 中文翻译 It travle at 3.530 km per hour.翻译 His average speed had been 301 miles per hour.句子成分 It travels at 1,020km per hour 对划线部分提问!The sailfish can swim 109km per hour.（109km per hour是划线部分） John drives 80 miles per hour.Jim drives 60 miles per hour.Iim drives__ 为什么不填more slowly Km/s用英文表示?6Km/s 如何用英文表示?6 kilometer a second?6 kilometer per second?6 kilometer every second?6 kilometer each second?用哪一个呢?分别讲.或者有其他说法?为什么练习里写的是表示在单位时间里运行的 for hour 和 per hour的区别听力中常常分不清for 和per 的发音,想问下1 for hour是否是正确表达,也是每小时的意思2 看到有两种用法,for an hour 是否等于 for hour plumes from the volacnoes extend to more than 300 kilomters above the surface,with material being ejected at speeds up to a kilometer per second.5093