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。

youdao

Climate change is a global phenomenon with local or regional features which needs to be understood and anticipated.

气候变化是需要认识并预见的具有地方或区域特点的全球现象。

youdao

The findings point to a phenomenon that may only be local, or could be globally widespread.

调查结果发现的现象，或许只是局部的，或许是全球范围的。

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He soon turned the local phenomenon into a national icon.

VOA: standard.2010.07.28

Real estate is still too local of a phenomenon, says James R.

FORBES: Magazine Article

The hyena men of Harar are a modern phenomenon, begun by a local family in the 1950s who believed that feeding the city's roaming hyena packs would bring them good luck.

BBC: Africa��s wildlife in the raw

This phenomenon will be repeated around the world in local and national political debates and elections.

ECONOMIST: United States