They can go about 25 miles per hour.
它们每小时可以走约25英里。
It can fly at a speed of about 200 miles per hour.
它能以每小时200英里的速度飞行。
According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.
根据大多数计算结果，竞走者以每小时6英里的速度前进时，每小时会燃烧大约800卡路里，尽管比跑步时燃烧的热量要少，但这大约是他们走路时燃烧热量的两倍，跑步时每小时可能会燃烧大约1000卡路里或更多。
They had to deal with winds as fast as 75 kilometers per hour.
他们必须应对风速高达每小时75公里的大风。
They can move over 200 miles per hour and cause a lot of damage.
它们可以以每小时200英里的速度移动，造成巨大损害。
It flies as high as 3000 meters, and as fast as 100 kilometers per hour.
它的飞行高度可达3000米，速度可达每小时100公里。
Plants that were in no immediate danger gave out less than one ultrasonic sound per hour.
那些不受直接威胁的植物每小时发出的超声波不到一次。
We would fly at 480 kilometres per hour, avoiding traffic lights, busy roads and speeding tickets.
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。
It flies at 240 km per hour at a height of 4,500 meters in the sky.
它在4500米的高空以每小时240公里的速度飞行。
In nine minutes, the probe had to reduce its speed from 20,000 km per hour to zero, landing from 125 km above Mars.
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。
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.
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。
Seventeen times per hour, to be exact.
确切地说，每小时有17次。
A mole can dig at a rate of 3.5m per hour.
鼹鼠在一个小时内能挖3.5米深的洞穴。
It enables farmers to harvest 175 pounds of green vegetables per hour.
它使农民每小时能收获175磅绿色蔬菜。
We could fly at 480 km per hour, avoiding traffic lights and busy roads.
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。
It flies using a 23 gallon tank of gas and burns 5 gallons per hour in the air.
它使用一个23加仑的油箱飞行，每小时在空中燃烧5加仑。
It enables small-scale farmers to harvest 175 pounds of green vegetables per hour.
它使小规模的农户每小时收获175磅的绿色蔬菜。
In two months, the legal minimum wage in the country of Kirlandia will increase from 5 Kirlandic dollars per hour to 5.50 per hour.
两个月后，Kirlandia的法定最低工资将从每小时5基兰蒂亚美元提高到5.50。
The human body can absorb no more than about a quart of water per hour, beyond which the brain can swell dangerously, says Dr. Goldfarb.
戈德法布博士称，人体每小时最多只能吸收大约一夸脱水，如果超过这个限度，大脑就会危险地膨胀。
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.
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。
"An average person, "Roach explains, "will, during the peak flatulence period, pass anywhere from one to almost three cups of flatus per hour."
“一个普通人，”罗奇解释道，“在肠胃最胀气的时候，每个小时会放出1到3杯的的屁。
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.
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。
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.
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。
It is estimated that an automated highway will be able to handle 10,000 vehicles per hour, compared with the 1,500 to 2,000 vehicles that can be carried by a present-day highway.
据估计，一条自动化高速公路每小时可运载1万辆汽车，而现在的高速公路每小时只能运载1500至2000辆汽车。
We averaged 42 miles per hour.
我们平均时速为42英里。
Top speed is 120 miles per hour.
最高时速为120英里。
The vehicles have a top speed of 80 miles per hour.
这些车的最高时速达80英里。
With a speed of 250 km per hour, it's also the first mountain heavy train line to provide a 4G network.
它的时速为250公里，也是第一条提供4G网络的山地重载铁路线。
每小时只有5-6人参观。
经常是以小时计算。
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