火速的英文：
at top speed

参考例句：

He's an instant hit.
他火速蹿红了。

The reporter rushed to the scene of the demonstration whip and spur.
记者火速赶到示威活动的现场。

Ambulances rushed the injured to hospital.
救护车把受伤的人火速送往医院。

The flash crash undermined investor confidence last year.
去年，火速的崩溃破坏了投资者的信心。

They got into the taxi and told the driver to go hell for leather to the railway station.
他们坐上出租车，叫司机火速赶往火车站。

The news was flashed to Washington and then to New York.
这消息被火速发往华盛顿，然后发往纽约。

He was rushed to hospital last week after suffering a collapsed lung.
上星期，他因出现肺萎陷而被火速送进医院。

speed是什么意思：
n. 速度，速率；快速，迅速
v. 迅速前进，快行；促进；加速，使加速

The speed of a train differs greatly from the speed of an airplane
火车的速度与飞机的速度大不相同。

The car is gaining speed.
那辆轿车正在加速。

The worker is timing the speed of the machine.
这名工人正在调整机器的速度。

a dizzy height, speed
使人眩晕的高度、 速度.

Speed the parting guest
祝客人一路顺风