at a speed of和 at a rate of有区别吗 冠词能用the吗

at the speed of 和at a speed of的不同RT! at a speed of和 at a rate of有区别吗 冠词能用the吗 The train traves at a speed of 80 kilometres per hour 向划线部分(at a speed向at a speed of 80 kilometres per hour 提问 at a speed单独用没有of是什么意思? ar top speed为什么不说at a top speed the train passed at a terrific speed At a fantastic speed Fantastic是什么意思? with a high speed 还是at a high speed?China has developed -- such a high speed. light travels at a speed which is about a million times faster than the speed of sound spread at a fast speed?介词用什么?at? The other day,my brother drove his car down the street _.A at a speed of 40 km B at a speed 40 kmper hour A car is travelling at a speed of 50km/h.How long will it take to travel a distance of 175 km?翻译和答案. 速度快是at a high speed 还是at the high speed at high speed 还是at a high speed,教材上是前一种两者区别是什么? at high/fast speedat high speed or at fast speed,要不要加a Every Sunday,hundreds of cars and buses p____ through the village at a very high speed. 翻译we are travelling at a speed of 90 kilometers an hour. 英语翻译The high speed of air travel is gained at a cost.