speed per hour

简明释义

时速

英英释义

例句

1.You should maintain a speed of 30 miles per hour in the school zone.

在学校区域，你应该保持每小时30英里的速度。

2.The cyclist rode at a steady speed of 15 miles per hour during the race.

在比赛中，骑自行车的人以每小时15英里的稳定速度骑行。

3.The car was traveling at a speed of 60 miles per hour.

这辆车的行驶速度为每小时60英里。

4.The airplane ascended to cruising altitude at a speed of 500 knots.

飞机以每小时500海里的速度上升到巡航高度。

5.The train's maximum speed is 300 kilometers per hour.

这列火车的最高速度是每小时300公里。

作文

Understanding the concept of speed is essential in many aspects of our daily lives, especially when it comes to transportation. The term speed per hour refers to the distance traveled in one hour and is a crucial measurement for various modes of travel, including cars, trains, and airplanes. For example, if a car travels at a speed per hour of 60 miles, it means that the car will cover 60 miles in one hour. This simple calculation helps us estimate travel times and plan our journeys effectively.In practical terms, knowing the speed per hour can significantly impact our decision-making processes. When planning a road trip, for instance, understanding the average speed per hour of your vehicle allows you to calculate how long it will take to reach your destination. If you know the distance is 300 miles and your car travels at an average speed per hour of 75 miles, you can easily determine that the trip will take approximately four hours. This information is vital for managing time, fuel consumption, and even scheduling breaks during your journey.Moreover, the speed per hour is not only relevant for personal travel but also plays a significant role in public transportation systems. Buses and trains operate on fixed schedules, and their speed per hour directly affects the frequency and reliability of services. If a train operates at a speed per hour of 100 miles, it can cover greater distances in less time, making it a more efficient option for commuters. Understanding these speeds helps passengers make informed choices about their travel options.In the context of aviation, the speed per hour becomes even more critical. Airlines must adhere to specific flight schedules, and the speed per hour of an aircraft determines how quickly it can transport passengers from one location to another. For instance, if a plane flies at a cruising speed per hour of 500 miles, it can complete a flight of 1,000 miles in just two hours. This efficiency is one of the reasons why air travel has become the preferred mode of transportation for long distances.However, it is essential to consider that speed per hour can also have safety implications. Higher speeds often mean shorter reaction times and increased risks in case of emergencies. Therefore, understanding the appropriate speed per hour for different conditions—such as weather, traffic, and road types—is crucial for ensuring safety on the roads and in the air.In conclusion, the term speed per hour is a fundamental concept that influences various aspects of travel and transportation. It aids in planning, enhances efficiency, and plays a crucial role in safety considerations. Whether you are driving a car, riding a bus, or flying in a plane, understanding the speed per hour allows you to make better-informed decisions, ensuring a smoother and more enjoyable travel experience. By grasping this concept, we can navigate our world more effectively and appreciate the dynamics of movement in our everyday lives.

理解速度的概念在我们日常生活的许多方面都是至关重要的，尤其是在交通运输方面。术语每小时速度指的是在一小时内行驶的距离，是各种旅行方式（包括汽车、火车和飞机）的关键测量。例如，如果一辆车以每小时速度为60英里行驶，这意味着这辆车将在一小时内行驶60英里。这种简单的计算帮助我们估算旅行时间并有效地规划我们的旅程。在实际操作中，了解每小时速度可以显著影响我们的决策过程。例如，在计划一次公路旅行时，了解您车辆的平均每小时速度可以让您计算到达目的地所需的时间。如果您知道距离是300英里，而您的车以平均每小时速度为75英里行驶，您可以轻松确定这次旅行大约需要四个小时。这些信息对于管理时间、燃料消耗甚至安排途中休息都是至关重要的。此外，每小时速度不仅与个人旅行相关，还在公共交通系统中扮演着重要角色。公交车和火车按照固定的时间表运行，它们的每小时速度直接影响服务的频率和可靠性。如果一列火车以每小时速度为100英里运行，它可以在更短的时间内覆盖更大的距离，使其成为通勤者更高效的选择。了解这些速度有助于乘客做出明智的旅行选择。在航空领域，每小时速度变得更加关键。航空公司必须遵守特定的航班时间表，飞机的每小时速度决定了它能够多快地将乘客从一个地方运输到另一个地方。例如，如果一架飞机以巡航每小时速度为500英里飞行，它可以在仅仅两个小时内完成1000英里的飞行。这种效率是航空旅行成为长途运输首选方式的原因之一。然而，必须考虑到的是，每小时速度也可能具有安全隐患。较高的速度通常意味着更短的反应时间和在紧急情况下的风险增加。因此，了解不同条件下适当的每小时速度——例如天气、交通和道路类型——对于确保道路和空中安全至关重要。总之，术语每小时速度是一个基本概念，影响着旅行和交通的各个方面。它有助于规划，提高效率，并在安全考虑中发挥关键作用。无论您是在开车、乘坐公交车还是坐飞机，理解每小时速度都能让您做出更明智的决策，确保更顺利、更愉快的旅行体验。通过掌握这一概念，我们可以更有效地导航我们的世界，并欣赏我们日常生活中运动的动态。