A cloud of volcanic ash is spreading across wide areas of the Philippines.

一大片火山灰正在向菲律宾的大块区域扩散。

《柯林斯英汉双解大词典》

How can volcanic activity occur so far from a plate boundary?

火山活动是如何在离板块边界那么远的地方发生的呢？

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Around this time, the largest of these centers, Cuicuilco, was seriously affected by a volcanic eruption, with much of its agricultural land covered by lava.

大约在这个时候，这些中心中最大的 Cuicuilco 受到了火山喷发的严重影响，它的大部分农田被熔岩覆盖。

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Because of volcanic activity, Alaska also has a lot of earthquakes.

VOA: special.2009.03.02

Aviation analysts say the sharp volcanic particles can damage a jet engine or cause it to shut down in mid air.

VOA: standard.2010.04.15

A volcanic eruption in Iceland sent a plume of ash into the atmosphere.

VOA: standard.2010.04.15

Nogue offers cooking demonstrations in a rustic, outdoor setting within the Garrotxa Volcanic Region Natural Park, but other chefs, namely the executive chefs of Michelin-starred restaurants Ca l'Enric and Les Cols, also in Garrotxa, are sharing volcanic cooking with a much bigger audience.

BBC: Spain��s Catalonia after El Bulli

British researchers suggested that a volcanic eruption in the Canary Islands might, one day, cause a tidal wave to swamp America's east coast.

ECONOMIST: The fight continues

Near-sighted, fiercely racist and possessed of a volcanic temper, Evans guarded his finds jealously, managing, against the odds, to take a remarkable number back to Britain.

ECONOMIST: Bullshot