The city has introduced a new speed limit of 25 mph (40 kph).

这个城市已经规定了新的限速标准25英里每小时(40公里每小时)。

276 mph (445 kph) in 1967.

他打破了高达时速 445 公里的世界纪录。

The old limit was 30 mph (about 48 kph).

以前的限速标准是30英里每小时(48公里每小时)。

Finally getting up to a speed of 276 mph (445 kph) in 1967.

最终在 1967 年达到了 276 英里每小时（445 公里每小时）的速度。

First she was asked about the experience of travelling at over 110 kph on a motorbike.

首先，及以每小时110公里以上的速度骑摩托车出行的经历。

When he managed to get an average speed of 317.6 mph (511 kph) during his run.

当时他的均速度达到了 317.6 英里每小时（511公里每小时）。

But like so many before him, his boat somersaulted at 300 mph (483 kph) and killed him.

但就像在他之前的许样，他的船以每小时 300 英里（483 公里）的速度翻了个跟头，也因此丧命。

It's actually a colossal hurricane, several times larger than our entire planet Earth, with sustained wind speeds of 500 kph.

它事实上是个巨型飓风，比整个地球都大上几倍，其恒定风速达500千米每小时。

It had winds up to 230 kph but is forecast to weaken before landfall.

其风速高达每小时230公里，但预计它登陆前风速会减弱。

The highest speed limit in the world is 140 kph (87 mph) in Poland and Bulgaria.

世界上最高的速度限制是在波兰和保加利亚，标准为每小时140公里(每小时87英里)。

The first maximum speed limit in the world was the 10 mph (16 kph) limit introduced in the United Kingdom in 1861.

世界上第个最高速度限制标准是10英里每小时(16公里每小时)，这限速标准在1861年引入英国。

The ISS travels at speeds of around 28,000 kph. Even a tiny object hitting it can cause a lot of damage.

ISS运行速度约为28,000千米/小时。即使是块微小的物体撞击都会造成很大的伤害。

In 1952, out on Loch Ness, he managed to get up to 210 mph (337 kph), and achieved his goal and the record.

1952 年，在尼斯湖上，他成功达到了 210 英里每小时（337公里每小时），并实现了他的目标，也创造了纪录。

In 2006, German police said the average speed on one part of the Autobahn was 142 kph (88 mph).

2006年, 德国警方称部分高速公路的均速度是每小时142公里(每小时88英里)。

Traveling across a lake in Northern Italy, the boat was going fast at 190 mph (306 kph) , but ultimately became unstable and the pilots lost control of it.

在穿越意大利北部的个湖泊时，这艘船以每小时 190 英里（306公里）的速度快速行驶，但最终变得不稳定，驾驶员失去了对它的控制。

Dolphins can swim at speeds of up to 56 KPH and they can dive to depths of 200 meters and stay underwater for 5-8 minutes without resurfacing for air.

海豚的游速可以达到每小时五十六公里，可以潜到两百米深的地方，在水下待五到八分钟而不浮出水面。

The first casualty in pursuit of the record was perhaps the ironically named Englishman Sir Henry Seagrave, who in 1930 set the world record at 99 mph (159 kph).

第个追逐打破纪录的牺牲者也许是英国亨利·西格雷夫爵士，他的名字颇具讽刺意味，他在 1930 年以 99 英里每小时（159 公里每小时）的速度创造了世界纪录。

They looked whipped by wind, and for good reason — Sustained wind speeds in Neptune's atmosphere have been clocked at over 2000 kph: Faster than the speed of sound on Earth!

它们看起来就像是风吹过样，而且这么说有充分的理由——海王星大气中的持续风速已经超过了2000公里每小时：比地球上的声速还快！

An Englishman named John Cobb wanted to be the first person to break the 200 mph (320 kph) speed barrier and built a jet-powered boat called Crusader to do it.

位名叫约翰·科布的英国想成为第个突破每小时 200 英里（320公里）速度障碍的，并为此建造了艘喷气动力船，名叫改革者。

They can accelerate to speeds of 47 mph or 75 kph in less than 2 seconds, and may reach top speeds of 75 miles or 120 kilometers per hour, although they cannot maintain these incredible speeds for long.

它们的速度可以在两秒钟之内提升至47英里/时（75千米/时），甚至达到最大速度75英里/时(120千米/时)，尽管它们不能长时间保持这个惊的速度。