Word
megacity
大城市；特大城市
a very large city, usually with a population of more than one million
指人口超过100万的城市
- 1.
A very large city; a megalopolis, typically one with population over 10 million.
特大城市,通常人口超过一千万。
特大城市,通常人口超过一千万。；(人口超过100万的)大城市
In use
Tokyo is often called a megacity because more than thirty million people live in the area.
The government is building new subway lines to connect every part of the megacity.
Many megacities face serious housing problems as their populations keep growing.
be a megacity
megacity 是可数名词，表示“大城市”时常用“a megacity”的形式。
Shanghai is a megacity in eastern China.
上海是中国东部的一座大城市。
many megacities
复数形式为 megacities，注意 y 变 i 加 es。
Many megacities have serious traffic problems.
许多大城市都有严重的交通问题。
in a megacity
The cost of living in a megacity can be very high.
在大城市的生活成本可能非常高。
Common mistakes
There are many megacity in China.There are many megacities in China.
megacity 是可数名词，复数形式为 megacities；many 后应接可数名词复数。
Tokyo is a megacity city.Tokyo is a megacity.
megacity 本身就是名词，意为“大城市”，再加 city 会造成语义重复，直接用 megacity 作表语即可。
Connections
Collocations
- global megacity
- 全球特大城市
- Tokyo is often called a global megacity.东京常被称为全球特大城市。
- megacity dwellers
- 特大城市居民
- Megacity dwellers face high living costs and long commutes.特大城市居民面临高昂的生活成本和漫长的通勤。
- megacity population
- 特大城市人口
- The megacity population continues to grow rapidly.特大城市人口持续快速增长。
- sprawling megacity
- 不断扩张的特大城市
- Mexico City is a sprawling megacity with a rich history.墨西哥城是一座不断扩张的特大城市，拥有悠久的历史。
- megacity infrastructure
- 特大城市基础设施
- Megacity infrastructure requires massive investment and careful planning.特大城市基础设施需要大量投资和周密规划。
Learner notes
Memory Tip
mega（巨大）+ city（城市）= 特大城市，记住 mega 就是“大”，人口超百万的大城市。
Context & Register
语域：formal 常见场景：城市研究、新闻报道、规划文件 megacity 多用于正式或书面语境，如城市研究、新闻报道和规划文件；日常口语中较少使用。
Pronunciation & Spelling
真正同韵的是 city /ˈsɪti/，因为 megacity 词尾的 city 也读 /sɪti/。注意很多以 -city 结尾的单词并不读 /sɪti/，如 velocity、atrocity、scarcity、capacity、publicity 都读 /səti/，只是拼写相似，发音不同。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.