megacities

简明释义

英[ˈmɛɡəˌsɪtiːz]美[ˈmɛɡəˌsɪtiz]

n. 大城市（megacity 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Small Chinese fishing villages like Shenzhen have become megacities with their own stock exchanges.

深圳等中国小渔村已变成拥有证券交易所的大城市。

2.Whether megacities continue to grow or to decentralize away from the dominant city into larger regional urban groupings depends on many and varied factors.

特大城市是继续增大，还是在中心城以外更大区域内分散建造许多居民区，这取决于众多不同的因素。

3.The approach is called bus rapid transit, or BRT, and it has already proven itself in some Latin American megacities, such as Bogota and Mexico City.

这种办法就是快速公交运输系统，或者BRT，这种系统已经在拉丁美洲的一些超大城市比如波哥大，墨西哥城的运行中收到显著成效。

4.But it now suffers from a phenomenon known as "heat islands," a characteristic of megacities in which artificial heat from car exhaust and factory emissions creates a local greenhouse effect.

但是目前，众所周知，它正面临“热岛”现象，大都市所面临的一个问题，车辆排放导致的热以及工厂排放导致本地的温室效应。

5.Economic and demographic growth and restructuring processes have led to server social problems in Chinese cities especially in megacities.

经济、人口的迅猛增长以及城市的快速改造，使得中国城市特别是大城市正经历着前所未有的变化。

6.But it now suffers from a phenomenon known as "heat islands," a characteristic of megacities in which artificial heat from car exhaust and factory emissions creates a local greenhouse effect.

但是目前，众所周知，它正面临“热岛”现象，大都市所面临的一个问题，车辆排放导致的热以及工厂排放导致本地的温室效应。

7.This month, National Geographic Channel looks at Taipei's rise in megacities-taipei.

本月份的国家地理频道，将在《超级城市——台北》中一探台北的兴盛。

8.So there is much discussion about estimates of land consumption, the manageable size of megacities, and simple ways to structure, if not to control, this vast spread of urbanization.

因此就有了很多讨论和评估，关于土地消耗、特大城市可管理的面积以及组织而非控制这种快速传播的城市化的简单方法。

9.Many people migrate to megacities (特大城市) in search of better job opportunities.

许多人迁移到特大城市（megacities）寻找更好的工作机会。

10.Cultural diversity is one of the most exciting aspects of living in megacities (特大城市).

生活在特大城市（megacities）中，文化多样性是最令人兴奋的方面之一。

11.The infrastructure in megacities (特大城市) often struggles to keep up with rapid population growth.

在特大城市（megacities）中，基础设施通常难以跟上快速的人口增长。

12.Environmental issues are a major concern in many megacities (特大城市).

环境问题是许多特大城市（megacities）的一大关切。

13.Transportation systems in megacities (特大城市) can become overcrowded and inefficient.

在特大城市（megacities）中，交通系统可能会变得拥挤且低效。

作文

The term megacities refers to urban areas with a population exceeding ten million people. In recent decades, the world has seen a dramatic increase in the number of megacities, especially in developing countries. This phenomenon is largely driven by rapid urbanization, where people migrate from rural areas to cities in search of better economic opportunities and living conditions. As a result, cities like Tokyo, Delhi, and Shanghai have emerged as prominent examples of megacities that face unique challenges and opportunities.One of the most significant challenges posed by megacities is the strain on infrastructure. With millions of inhabitants, the demand for housing, transportation, and public services skyrockets. Many megacities struggle to provide adequate public transportation systems, leading to severe traffic congestion and pollution. For instance, in Mexico City, the subway system is often overcrowded, while traffic jams are a daily occurrence. Such issues highlight the need for innovative urban planning and investment in sustainable infrastructure to accommodate growing populations.Another challenge faced by megacities is environmental degradation. Rapid urban growth often leads to deforestation, loss of green spaces, and increased waste production. The concentration of people and industries contributes to air and water pollution, which poses health risks to residents. For example, cities like Beijing and New Delhi frequently experience hazardous air quality levels due to industrial emissions and vehicle exhaust. Addressing these environmental concerns requires collaborative efforts between governments, businesses, and citizens to create eco-friendly policies and promote sustainable practices.Despite these challenges, megacities also present numerous opportunities for economic growth and cultural exchange. They serve as hubs for innovation, attracting talent and investment from around the globe. The diverse population of megacities fosters creativity and entrepreneurship, leading to the development of new industries and job opportunities. For instance, cities like San Francisco and London are renowned for their tech and finance sectors, respectively, showcasing how megacities can drive economic progress.Moreover, megacities are often melting pots of culture, where different traditions and lifestyles converge. This cultural diversity enriches the social fabric of these urban areas, offering residents and visitors alike a vibrant tapestry of experiences. Festivals, art exhibitions, and culinary events are just a few examples of how megacities celebrate their multicultural identities. Cities like New York and Paris exemplify this cultural dynamism, attracting millions of tourists each year who seek to immerse themselves in the local culture.In conclusion, megacities are complex entities that embody both challenges and opportunities. As the world continues to urbanize, understanding the dynamics of megacities becomes increasingly important. Policymakers must prioritize sustainable development strategies that address infrastructure, environmental, and social issues to ensure that these urban centers thrive. By harnessing the potential of megacities, we can create livable, inclusive, and resilient cities that benefit all their inhabitants.

“超级城市”一词指的是人口超过一千万的城市地区。近年来，世界上“超级城市”的数量急剧增加，尤其是在发展中国家。这一现象主要是由快速城市化驱动的，人们从农村地区迁移到城市，寻求更好的经济机会和生活条件。因此，东京、德里和上海等城市成为了突出的“超级城市”例子，它们面临着独特的挑战和机遇。“超级城市”所面临的最重大挑战之一是基础设施的压力。随着数百万居民的涌入，住房、交通和公共服务的需求激增。许多“超级城市”难以提供足够的公共交通系统，导致严重的交通拥堵和污染。例如，在墨西哥城，地铁系统常常人满为患，而交通堵塞则是日常现象。这些问题突显了创新城市规划和投资可持续基础设施的必要性，以满足不断增长的人口。“超级城市”面临的另一个挑战是环境恶化。快速的城市增长常常导致森林砍伐、绿地丧失和废物产生增加。人口和工业的集中加剧了空气和水污染，这对居民的健康构成威胁。例如，北京和新德里等城市由于工业排放和汽车废气，经常经历有害的空气质量水平。解决这些环境问题需要政府、企业和公民之间的合作，以制定环保政策并促进可持续实践。尽管面临这些挑战，“超级城市”也为经济增长和文化交流提供了众多机会。它们作为创新的中心，吸引来自全球的人才和投资。“超级城市”的多样化人口促进了创造力和企业精神，导致新产业和就业机会的发展。例如，旧金山和伦敦等城市因其科技和金融行业而闻名，展示了“超级城市”如何推动经济进步。此外，“超级城市”往往是文化的大熔炉，不同的传统和生活方式在这里交汇。这种文化多样性丰富了这些城市的社会结构，为居民和游客提供了丰富多彩的体验。节日、艺术展览和美食活动只是“超级城市”庆祝其多元文化身份的一些例子。纽约和巴黎等城市就是这种文化活力的典范，每年吸引数百万游客，渴望沉浸在当地文化中。总之，“超级城市”是复杂的实体，体现了挑战和机遇。随着世界继续城市化，理解“超级城市”的动态变得愈发重要。政策制定者必须优先考虑可持续发展战略，以解决基础设施、环境和社会问题，确保这些城市中心蓬勃发展。通过利用“超级城市”的潜力，我们可以创造适宜居住、包容和韧性的城市，使所有居民受益。