kilometre

简明释义

英[kɪˈlɒmɪtə(r)]美[kɪˈlɑːmɪtər]

n. 千米，公里（=kilometer）

复 数 k i l o m e t r e s

英英释义

单词用法

同义词

反义词

例句

1.They get just 0.12 euros per kilometre if they take a bus or train.

如果他们乘公车或火车就只能获得每公里0.12欧元了。

2.Primary schoolchildren must run a kilometre (0.621 miles), junior high school students 1.5km and senior high and college students 2km.

小学生必须跑1公里(约0.621英里)，初中生要求跑1.5公里，高中生和大学生的任务则是2公里。

3.In a minute a cheetah can run about 1 kilometre and a half.

在一分钟内，猎豹可以跑大约1公里半。

4.In places, there are a million pieces of plastic per square kilometre.

在某些地方，每平方公里甚至有100万件塑料垃圾。

5.The UN Environment Programme reckoned in 2006 that every square kilometre of sea held nearly 18, 000 pieces of floating plastic.

2006年联合国环境规划署估算，每平方公里海洋含有差不多18000片漂浮的塑料。

6.Recently they have been advancing about a kilometre a day.

最近，反对派每天可以挺进一公里左右。

7.It seems to have lost an entire 40-kilometre-long flank in one catastrophic event, say the researchers.

研究人员说，它似乎在一次灾难性事件中已失去了长达40公里的整个侧翼。

8.He cycled 15 kilometres to reach his friend's house.

他骑车骑了15公里到达朋友家。

9.I ran 10 kilometres this morning for exercise.

我今天早上跑了10公里锻炼身体。

10.The city is about 50 kilometres from here.

这个城市距离这里大约50公里。

11.The marathon is a total of 42 kilometres long.

这场马拉松总长42公里。

12.The nearest gas station is 5 kilometres away.

最近的加油站距离这里有5公里。

作文

In today's world, the need for accurate measurements is more important than ever. One of the most commonly used units of measurement in many countries is the kilometre, which is defined as a length equal to 1,000 meters. Understanding the significance of the kilometre is crucial, especially in fields such as transportation, geography, and environmental studies. The kilometre serves as a standard unit for measuring distances on land, making it essential for various aspects of daily life. For instance, when planning a road trip, knowing how many kilometres one must travel can help in estimating the duration of the journey. If a person knows that their destination is 150 kilometres away, they can plan accordingly, factoring in the speed limit and potential stops along the way. This helps in ensuring a smooth and efficient travel experience.Moreover, the kilometre is also widely used in sports, particularly in running and cycling events. Races are often measured in kilometres to provide a standardized distance for participants. For example, a marathon is 42.195 kilometres long, which allows athletes from around the world to compete on a level playing field. Understanding the significance of the kilometre in sports not only highlights the physical endurance required but also emphasizes the importance of proper training and preparation.In addition to its practical applications, the kilometre plays a vital role in scientific research and environmental studies. Researchers often measure distances in kilometres when studying ecosystems, wildlife habitats, and climate change. For example, when assessing the impact of deforestation, scientists may measure the distance between patches of forest in kilometres to determine how fragmented the habitat has become. This information is crucial for conservation efforts and helps policymakers make informed decisions to protect the environment.Furthermore, understanding the kilometre can also enhance one’s geographical knowledge. Countries that use the metric system, such as Canada, Australia, and most European nations, rely heavily on kilometres for road signs and navigation. Being able to read and interpret these signs is essential for travelers and locals alike. For instance, if a sign indicates that a town is 20 kilometres away, it provides valuable information for anyone trying to reach that location.In conclusion, the kilometre is much more than just a unit of measurement; it is a fundamental aspect of our daily lives, sports, scientific research, and geographical understanding. By grasping the concept of the kilometre and its applications, individuals can navigate their environments more effectively, engage in sports with greater awareness, and contribute to important scientific discussions. As we continue to advance in various fields, the relevance of the kilometre will undoubtedly remain significant, reminding us of the importance of precision and clarity in our measurements.

在当今世界，准确测量的需求比以往任何时候都更加重要。在许多国家中，最常用的测量单位之一是千米，它被定义为等于1000米的长度。理解千米的重要性至关重要，尤其是在交通、地理和环境研究等领域。千米作为一种标准单位，用于测量陆地上的距离，这使得它在日常生活的各个方面都至关重要。例如，在规划公路旅行时，知道需要行驶多少千米可以帮助估算旅程的持续时间。如果一个人知道他们的目的地距离150千米，他们可以相应地进行计划，考虑到限速和潜在的停靠。这有助于确保旅行体验的顺利和高效。此外，千米在体育运动中也被广泛使用，特别是在跑步和骑自行车的比赛中。比赛通常以千米为单位来提供参与者的标准距离。例如，马拉松的长度为42.195千米，这使来自世界各地的运动员能够在同一水平上竞争。理解千米在体育中的重要性不仅突显了所需的身体耐力，还强调了适当训练和准备的重要性。除了其实际应用外，千米在科学研究和环境研究中也发挥着重要作用。研究人员在研究生态系统、野生动物栖息地和气候变化时，通常以千米为单位测量距离。例如，在评估森林砍伐的影响时，科学家可能会测量森林斑块之间的距离，以千米为单位，以确定栖息地的破碎程度。这些信息对保护工作至关重要，并帮助政策制定者做出明智的决策，以保护环境。此外，理解千米还可以增强一个人的地理知识。使用公制系统的国家，例如加拿大、澳大利亚和大多数欧洲国家，在道路标志和导航中严重依赖千米。能够阅读和解释这些标志对于旅行者和当地人来说都至关重要。例如，如果一个标志表明一个城镇距离20千米，那么它为任何试图到达该地点的人提供了宝贵的信息。总之，千米不仅仅是一个测量单位；它是我们日常生活、体育、科学研究和地理理解的基本方面。通过掌握千米的概念及其应用，个人可以更有效地导航其环境，以更大的意识参与体育活动，并为重要的科学讨论做出贡献。随着我们在各个领域的不断进步，千米的相关性无疑将继续保持重要性，提醒我们在测量中精确和清晰的重要性。