大多数人步行的平均速度为每小时5公里。
Most people walk at an average rate of 5 kilometres an hour.
古斯塔夫登陆时的强度为二级风暴，风速大约每小时175公里，预计新奥尔良将连续数小时受到冲击。
Gustav landed as a secondary storm with a wind speed of about 175 kilometers per hour, and New Orleans is expected to be hit for several hours in a row.
我们可以以每小时480公里的速度飞行，避开红绿灯和繁忙的道路。
We could fly at 480 km per hour, avoiding traffic lights and busy roads.
苏利文岛上的新海滨别墅应该能够抵御3级飓风，其最高风速为每小时179-209公里。
The new beach house on Sullivan's Island should be able to withstand a Category 3 hurricane with peak winds of 179 to 209 kilometers per hour.
有史以来最为复杂的工程项目创造了一组巨大的相互连接的模块，其以每小时27000公里的速度绕地球运行。
The most complex engineering project ever attempted has created an enormous set of interlinked modules that orbits the planet at more than 27,000 kilometres per hour.
猎豹的奔跑速度每小时可达97公里。
如果车速限制是100千米每小时，生产一个足够大、足够强、时速能达到每小时200公里的引擎有什么意义呢？
What's the point in producing an engine that is big and powerful enough to go like 200 kilometers an hour when the speed limit is only 100?
根据他们的计算，这将使以每小时100公里行驶的汽车的刹车距离增加5。7米。
That, they calculate, would add 5.7 metres to the braking distance of a car travelling at 100kph.
这场风暴是以色列近年来遭遇的最强风暴之一，风速超过每小时100公里，海浪高达10米。
The storm, one of the strongest Israel has experienced in recent years, brought winds of more than 100 kph that sent 10-meter waves crashing into Israel's coast.
那人以每小时40公里的速度开车。
他们必须应对风速高达每小时75公里的大风。
They had to deal with winds as fast as 75 kilometers per hour.
它在轨道上运行的速度能达到每小时50公里。
它的飞行高度可达3000米，速度可达每小时100公里。
It flies as high as 3000 meters, and as fast as 100 kilometers per hour.
它在4500米的高空以每小时240公里的速度飞行。
It flies at 240 km per hour at a height of 4,500 meters in the sky.
据报道，复兴高速列车能以每小时350公里的速度行驶。
It's reported that Fuxing high-speed train can go as fast as 350 km an hour.
几分钟之内，我们就以每小时350多公里的速度驶过铁轨。
Within minutes, we were passing over the rails at speeds of more than 350 kilometers an hour.
它的速度是每小时120公里，比直达快车有更多的站点。
大象每小时可以行走大约6英里，而松布尔有1200多公里远。
Elephants can travel at about 6 miles an hour and Sonepur was more than 1, 200 km away.
座头鲸以每小时1.6公里的速度从阿拉斯加游到夏威夷。
Humpback whales swim at a speed of 1.6 kilometers an hour from Alaska to Hawaii.
我们能以每小时480公里的速度飞行，避开红绿灯、拥挤的道路和超速罚款单。
We would fly at 480 kilometres per hour, avoiding traffic lights, busy roads and speeding tickets.
在9分钟内，探测器必须将速度从每小时2万公里降至零，从火星上空125公里处着陆。
In nine minutes, the probe had to reduce its speed from 20,000 km per hour to zero, landing from 125 km above Mars.
如果没有窗户，我无法察觉什么时候停车，什么时候我们在以300公里每小时的速度前进。
If there were no windows, I wouldn't be able to tell when we were stopped or when we were traveling at 300 km/h.
它们在海豹下方等待，然后游上来，以每小时40公里的速度突然撞向海豹，一口就把海豹咬死。
They wait below the seals and then swim up and crash into them by surprise at 40 kilometres per hour, killing them with one bite.
这车全速每小时120公里。
即使仅有几厘米大小的碎片也是一场灾难，因为它们的速度可达每小时几千公里。
Even fragments a few centimetres in size are a hazard because they travel at many thousands of kilometres per hour.
即使仅有几厘米大小的碎片也是一场灾难，因为它们的速度可达每小时几千公里。
Even fragments a few centimetres in width are a hazard because they travel at many thousands of kilometres per hour.
高铁运行的速度超过每小时250公里，大约是普通列车正常运行速度的两倍。
High-speed rail train runs at over 250 km per hour, about twice the normal speed of a regular train.
但随后又宣布系统全线减速到每小时300公里左右。
Then a system-wide slowdown to around 300km an hour was announced.
在野生环境中，它们是身体光滑的游泳者，速度可以达到超过每小时18英里(30公里)。
In the wild, these sleek swimmers can reach speeds of over 18 miles (30 kilometers) an hour.
报道描述大风以每小时225公里的速度，高达260米的高度把屋顶掀翻，把电杆拔起。
Reports say roofs were torn off houses and electricity poles were toppled by the winds, which howled at sustained speeds of 225 kilometers per hour and gusted up to 260.
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