average speed

简明释义

平均速度

英英释义

例句

1.The car maintained an average speed of 60 miles per hour throughout the trip.

这辆车在整个旅程中保持了每小时60英里的平均速度。

2.To calculate the average speed, divide the total distance by the total time taken.

要计算平均速度，将总距离除以总时间。

3.If you travel 120 miles in 2 hours, your average speed is 60 miles per hour.

如果你在2小时内行驶了120英里，你的平均速度是每小时60英里。

4.The average speed of the train is faster than that of a car due to fewer stops.

由于停靠次数较少，火车的平均速度比汽车快。

5.During the race, the cyclist achieved an average speed of 30 kilometers per hour.

在比赛中，这位骑自行车的人达到了每小时30公里的平均速度。

作文

When we think about traveling, one of the most important concepts that come to mind is the average speed. The term average speed refers to the total distance traveled divided by the total time taken for the journey. This simple calculation can help us understand how quickly we are moving from one place to another. For instance, if a car travels 120 kilometers in 2 hours, the average speed would be 60 kilometers per hour. This understanding is crucial not only for drivers but also for anyone who plans a trip, whether by car, train, or plane.Knowing the average speed can greatly influence our travel plans. If we know the average speed of a vehicle, we can estimate how long it will take to reach our destination. This is particularly useful when planning long trips where time management is essential. For example, if you are planning a road trip from New York to Chicago, which is approximately 1,000 kilometers apart, and you aim to maintain an average speed of 100 kilometers per hour, you can calculate that the trip would take around 10 hours, not accounting for breaks or traffic conditions.Moreover, the concept of average speed can also apply to various modes of transportation. For instance, airplanes typically have much higher average speeds compared to cars. A commercial jet might cruise at an average speed of 900 kilometers per hour, allowing it to cover vast distances in a short amount of time. This efficiency is one of the reasons why air travel is often preferred for long-distance journeys.In addition to practical applications, understanding average speed can also enhance our knowledge of physics and motion. In physics, speed is defined as the distance traveled per unit of time. When we calculate average speed, we are applying this fundamental principle. It allows us to analyze different scenarios, such as acceleration and deceleration, and understand how they affect the overall average speed during a journey.Furthermore, the average speed can be affected by several factors, including road conditions, traffic, and the type of vehicle used. For example, a cyclist may have a lower average speed on a hilly terrain compared to flat roads. Similarly, heavy traffic can significantly reduce the average speed of a car, making it essential for drivers to consider these variables when planning their routes.In conclusion, the concept of average speed is not just a mathematical calculation; it is a vital tool for effective travel planning and understanding motion. By grasping the idea of average speed, we can make informed decisions about our journeys, ensuring that we arrive at our destinations on time and with minimal hassle. Whether we are driving, flying, or cycling, keeping track of our average speed can enhance our travel experience and help us appreciate the dynamics of movement in our daily lives.

当我们想到旅行时，一个最重要的概念就是平均速度。平均速度这个术语指的是总行驶距离除以总耗时。这一简单的计算可以帮助我们理解自己从一个地方移动到另一个地方的速度。例如，如果一辆车在2小时内行驶了120公里，那么它的平均速度将是每小时60公里。这种理解对于司机以及任何计划旅行的人来说都是至关重要的，无论是开车、坐火车还是乘飞机。了解平均速度可以极大地影响我们的旅行计划。如果我们知道某种交通工具的平均速度，我们就可以估算到达目的地所需的时间。这在规划长途旅行时尤其有用，因为时间管理至关重要。例如，如果你计划从纽约到芝加哥的公路旅行，距离大约为1000公里，如果你打算保持每小时100公里的平均速度，那么你可以计算出这次旅行大约需要10个小时，但不考虑休息或交通状况。此外，平均速度的概念也适用于各种交通方式。例如，飞机的平均速度通常远高于汽车。一架商业喷气机的巡航平均速度可能为每小时900公里，使其能够在短时间内覆盖广阔的距离。这种效率是航空旅行在长途旅行中常被优先选择的原因之一。除了实际应用，理解平均速度还能增强我们对物理和运动的知识。在物理学中，速度被定义为单位时间内的行驶距离。当我们计算平均速度时，我们实际上是在应用这个基本原理。它使我们能够分析不同的场景，例如加速和减速，并理解它们如何影响旅程中的总体平均速度。此外，平均速度还会受到多种因素的影响，包括道路状况、交通情况和所用车辆类型。例如，骑自行车的人在丘陵地形上的平均速度可能低于平坦道路上的速度。同样，繁忙的交通会显著降低汽车的平均速度，因此，司机在规划路线时必须考虑这些变量。总之，平均速度的概念不仅仅是一个数学计算；它是有效旅行规划和理解运动的重要工具。通过掌握平均速度的概念，我们可以对旅行做出明智的决策，确保按时到达目的地，尽量减少麻烦。无论我们是开车、飞行还是骑自行车，跟踪我们的平均速度都可以提升我们的旅行体验，并帮助我们欣赏日常生活中运动的动态。