伦敦有1500年的历史，在那时候，它算一个大城市。

London was fifteen hundred years old, and was a great town—for that day.

youdao

15秒之内一个大城市变成了废墟。

In fifteen terrible seconds a large city lay in ruins.

youdao

这是一个大城市，有很多车，但是无论去哪里我的狗特拉都跟着我，而且不让我被车撞。

It's a big city, and there are many cars, but my dog Terra goes everywhere with me and doesn't let me get hit by a car.

youdao

And here it's, we're pretty much in Boston which is a city,

但是在这里，波士顿是一个大城市。

百慕大出身 - SpeakingMax英语口语达人

Well, like any big city, you don't want to walk by yourself.

嗯,像在许多大城市一样，你不会想在纽约一个人散步。

对纽约的印象 - SpeakingMax英语口语达人

and New York is a big city. Crime does happen.

而纽约是一个大城市，犯罪确实存在。

在上西区 - SpeakingMax英语口语达人