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。
This car goes faster than 120 miles per hour.
这辆汽车的时速超过120英里。
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。
The speedometer shows a reading of 10 miles per hour.
这时测速仪上显示出来的读数是每小时10英里。
A gust of 66 miles per hour was recorded on Nantucket.
楠塔基特记录到每小时66英里的狂风。
189 meters per second, and that is 425 miles per hour.
189米每秒，425英里每小时。
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。
In ten seconds he had blurred through ninety miles per hour.
十秒钟内，他达到了时速九十英里。
Although Campbell reached a speed of over 304 miles per hour.
尽管坎贝尔达到了每小时超过304英里的速度。
425 miles per hour translates into about 189 meters per second.
425英里每小时转换成，189米每秒。
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。
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。
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。
I want to give an award for someone who breaks the 10-knot [11.5 miles per hour] barrier.
我想颁个奖给打破10海里(每小时11.5里)极限的人。
He folded his wings, rolled and dropped in a dive to a hundred ninety miles per hour.
紧翅膀，翻滚着，以一百九十英里的时速疾降。
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！
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。
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。
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。
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。
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。
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。
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