Air pollution is extremely serious, especially in cities with heavy industry.

空气污染相当严重，一些重工业城市尤为严重。

youdao

We need clean air, but unfortunately, air pollution is generally present, especially in cities。

我们需要清新的空气，但遗憾的是，空气污染普遍存在，在城市中尤其如此。 [分析] 本句为了避免“尤其是在城市里”的表达不完整，增加了“如此”。

youdao

We need clean air, but unfortunately, air pollution is globally present, especially in cities.

我们需要清洁的空气，但不幸的是，空气污染是目前全球，尤其是在城市。

youdao

Police have become common targets, especially in border cities in northern Mexico.

VOA: special.2009.03.14

Bishops at this time,especially of major cities, would sometimes send around what we call a paschal letter, an Easter letter. In which they'd give instructions or different kinds of things to their churches.

当时的主教，特别是主要城市的主教，会发出所谓的复活节书信，信里写着给其他教会的指示,或者其他事情。

耶鲁公开课 - 新约课程节选

we have a lot of stimulation in our lifestyles especially here in big cities like Los Angeles

我们的生活方式有很多刺激，特别是在洛杉矶这样的大城市，

瑜伽的魅力 - SpeakingMax英语口语达人

But these days, especially in cities like Bangkok and Chiang Mai, the sprinkling has become a soaking, with everyone a target.

ECONOMIST: Is the Songkran festival getting out of hand?

The recent decline of such practices, especially in cities, in favour of choosing your own mate, has coincided with huge demographic shifts.

ECONOMIST: Singletons are getting some help finding a mate

Throughout America, and especially in cities, the nation's racial mix changed considerably.

WSJ: Population Leaves Heartland Behind