1. His average speed had been 301 miles per hour.
    他的平均时速实际是301英里。

2. High speed elevators, escalators, and moving sidewalks would convey people swiftly between one level and another.
    高速电梯、自动楼梯和滚动的人行道可将人们迅速地从一个层面输送到另一个层面。

3. Human studies have focused primarily on older adults and suggest that regular exercise can improve the speed with which the brain processes information.
    对人类的研究主要集中在老年人身上，其结果表明，经常锻炼能提高大脑处理信息的速度。

4. Didn´t you see the speed limit?
    难道你没看见限速牌吗？

5. Don't be alarmed by the bells ringing in Singaporean taxis, which are simply a signal warning drivers they have exceeded the speed limit.
    坐在新加坡的出租车里，不要被铃声吓着，那只是个信号，警告司机车已经超过限制速度了。

6. As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship´s power and limits its speed.
    作为一个船舶技师，科克雷尔在寻找解决波浪阻力的方法，因为波浪阻力浪费掉了船在水面行驶的大量动力，从而限制了船的速度。

7. Although Campbell reached a speed of over 304 miles per hour, he had great difficulty in controlling the car because a tyre burst during the first run.
    尽管坎贝尔达到了每小时超过304英里的速度，但他很难把汽车控制住，因为在开始的行程中爆了一只轮胎。

8. After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
    比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。

9. At near the speed of sound, we were flying ahead of our engine's roar.
    由于速度几近音速，我们把引擎的轰鸣声甩在了后面，

10. As part of its deal with the Disney organization, the government is laying on and paying for new highways, an extension of Paris's regional express railway and even a direct connection for the high speed TGV railway to the Channel Tunnel.
    作为与迪斯尼公司合作协议的一部分，政府正在铺设新的公路并支付建设款项，它是巴黎地区快速轨道交通的延伸，甚至可直接连接到通往英吉利海峡隧道的高速电气铁路（TGV）。