megacity
n. 大城市（人口超过1000万的）
复数 megacities
例句
It is also the seventh largest city proper in the world, a megacity.
它也是世界第七大城市。
A world city is a city with a global impact – and thus not necessarily synonymous with a megacity .
世界级城市是一个有着全球影响力的城市——因此它的意义与 超级城市 (Megacity)并不相同。
In the competition between the megacity and the holy city, Upadhyay says, "Delhi is winning, of course."
大城市和圣城的的较量中，阿帕德·海耶说：“当然是德里赢了。”
