每小时...英里

He was driving at a speed of eighty miles an hour.

他以每小时80英里的速度驾驶。

You must have been driving at a speed of seventy miles an hour.

你刚才一定是以每小时70英里的速度在开车。

He is driving at a speed of eighty miles an hour.

他正在以每小时80英里的速度驾车。

The train is traveling at a speed of 200 miles per hour.

火车正以每小时200英里的速度行驶。

You must drived the car at the speed of 70 miles per hour at that time.

你刚才一定是以每小时70英里的速度开车。

Was the first man to drive at over 300 miles per hour.

是第一个以每小时超过300英里的速度驾车的人。

At 25,000 miles per hour our rocket will escape from the earth's pull.

在每小时25，000英里的速度下，我们的火箭就会脱离地球的引力。

The good news is that we're making rapid progress at 530 miles per hour. The

好消息是我们正在以每小时530英里的速度快速前进。

He drove at a speed of forty miles per hour.

他以每小时40英里的速度驾车行驶。

Hurricanes have winds of at least 74 miles per hour.

飓风的速度至少有每小时74英里。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。