We averaged 42 miles per hour.
我们平均时速为42英里。
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。
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。
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 are ramming their motorcycles on the expressway at 80 miles per hour.
他们正以每小时80英里的速度骑着摩托车在高速公路上疾驶。
The meter indicates the speed to be 45 miles per hour.
仪表指示出速度是每小时45英里。
This car goes faster than 120 miles per hour.
这辆汽车的时速超过120英里。
The tsunami traveled across the Pacific at about 550 miles per hour, or the speed of a jet plane.
海啸以每小时约550英里的速度穿越太平洋，相当于一架喷气式飞机的速度。
In just six seconds he was moving seventy miles per hour, the speed at which one's wing goes unstable on the upstroke.
在六秒钟内，他以每小时七十英里的速度运动。在这样的速度下，翅膀向上一举，就会失去平衡。
The propellers lifted off the ground at 28 miles per hour.
飞机飞离地面后，以每小时28英里的速度向高空爬升。
He closed his eyes to slits against the wind and rejoiced. A hundred forty miles per hour!
他迎着风把眼睛眯成两道细缝，内心充满了欢乐，时速一百四十英里！
Both the minicars and midsize cars were traveling 40 miles per hour, so the crash occurs at 80 M.P.H.
微型车和中型车均以每小时40英里的速度行驶，因此碰撞时速度为每小时80英里。
A few feet from the cycling lane traffic moves at speeds of between 30 miles per hour, the speed limit for arterials in Seattle, and 40 miles per hour, the speed at which many cars actually travel.
自行车车道离机动车道仅有几英尺，机动车规定速度必须保持在每小时30英里，这是在西雅图干道上的速度限制，但实际上许多车辆都是以每小时40英里的速度行驶的。
Thunderstorms and steady strong winds with gusts up to 70 miles per hour completed the formula for a dangerous, fast-moving wildfire.
再加上雷雨天气和高达每小时70英里的强风使得它形成了危险的快速蔓延的野火。
Category one hurricanes have maximum sustained winds of at least 74 miles per hour. They usually won't cause any real damage to buildings.
一级飓风拥有至少74英里每小时的最高持续风速，通常不会对建筑物造成实质性的破坏。
I could barely get off the ground, I couldn't go very fast (maybe 5 miles per hour), and I couldn't turn easily.
我好不容易才双脚离地，还不能飞太快(也许就是5英里一小时)，我也不能轻易地转弯。
The great racing driver, Sir Malcolm Campbell, was the first man to drive at over 300 miles per hour.
杰出的赛车选手马尔科姆·坎贝尔爵士是第一个以每小时超过300英里的速度驾车的人。
A new racing car made of vegetables and powered by chocolate will hit speeds of 145 miles per hour when it is launched next month.
一款以蔬菜为材料，以巧克力为动力供给的新型赛车将于下月问世，这款赛车的时速将达145英里。
Cars would be quite safe running at 60 miles per hour on the track, and 40 miles per hour on the street.
这种车很安全，在轨道上以每小时60英里速度运行，街道上速度为每小40英里。
At two hundred fifty miles per hour he felt that he was nearing his level-flight maximum speed.
到了时速二百五十英里，他觉得已经接近水平飞行的最高速度。
Traveling at about 50 miles per hour on the rain-slicked freeway, a car to their right swerved into their lane.
正当她们以每小时50英里的车速行驶在湿淋淋的路上时，右方一辆车突然转向行进了她们的车道。
The nervous system transmits messages to the brain at speeds of 180 miles per hour.
神经系统把消息传送给大脑的速度达到180英里/小时。
She tells me our indicated airspeed is about 210 knots, or 241 miles per hour.
她告诉我，现在的飞行速度约210节，或时速241英里。
After she runs on a treadmill for a few minutes, Rapaport measures it again - 120 BPM running at 6.1 miles per hour.
当她在跑步机上跑了几分钟以后，拉波波特测量的6.1英里时速时，她的脉搏是每分钟120次。
At an average speed of about 67,000 miles per hour. Again, not talking about the drive home last night.
以平均每小时67 000英里的速度，再说一次，不是说你昨晚开车回家。
At an average speed of about 67,000 miles per hour. Again, not talking about the drive home last night.
以平均每小时67 000英里的速度，再说一次，不是说你昨晚开车回家。
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