In April a slight lull ensued, but the volcanologists remained pessimistic about this volcano.

四月出现了短暂的平静期，但是火山学家对此并不乐观。

youdao

Normally, he said, volcanologists have to do "postmortem studies" of long-solidified magmas or study active lava.

据马施的经验，一般情况下，火山学家只能就凝结成岩的岩浆做一些“马后炮”的工作，或者在火山喷发的时候以熔岩为研究材料。

youdao

In recent years, volcanologists have started talking about eruptions that far outstrip those of common-or-garden volcanoes.

近年来，火山学家已经开始讨论那些远超过普通或花园式的火山。

youdao

It is becoming more widely used and accepted, however, particularly by volcanologists who suddenly, with no warning, find that they have a book to sell.

FORBES: Predicting The Supervolcano (Or, We're All Going To Die? It Must Be Tuesday)

Volcanologists had known since June that a new eruption was possible, and people living within a six-kilometre (3.7-mile) radius of the crater were told to be ready to get out fast.

ECONOMIST: No disaster in the Philippines