[地质]火山活动；[地质]火山活动性

火山活动，火山活动性

frantic activity───疯狂的活动

police activity───警察活动

solar activity───[天]太阳活动；[天]太阳活动性

political activity───政治行动

aerobic activity───有氧运动

brain activity───大脑活动

economic activity───[经]经济活动

frenetic activity───狂热的活动

human activity───人类活动

Volcanic activity has created thermal springs and boiling mud pools.───火山活动产生了温泉和沸腾的泥浆池。

The alternative, that the carbon came from the volcanoes, is unlikely because the spike is much shorter than the period of volcanic activity.───另一种说法是这种碳元素来自于火山，但这不可能，因为碳数量激增期比火山活动期要短得多。

Some of the key evidence to be presented at the conference will come from studies of past volcanic activity.───在这个会议上展示的一些关键证据来自于以往对火山活动的研究。

For several weeks, Italy's Mount Etna has been rumbling with volcanic activity.───几个星期来, 意大利的蒙特·艾特纳的火山轰轰隆隆.

Volcanic activity has created thermal springs and boiling mud pools.

There are five major types of volcanic activity.

Where there is evidence for volcanic activity on the Moon, it generally seems to be associated with impact events.

Volcanic activity is highly episodic in nature.

Active faults and lineaments, and recent volcanic activity were re - examined.

Volcanic activity formed seamount and sea bill.

These changes have been related to volcanic activity in this eruptive neighbourhood.

While forests were being buried there was volcanic activity.

The plates realigned and subduction resumed, sparking volcanic activity which spewed forth the granite rock covering much of the Sierras.