When a volcano is erupting, it is called an active volcano.

当火山喷发时，它被称为活火山。

Inside an active volcano, the air is hot and full of toxic gases.

活火山内部的空气炙热且充满有毒气体。

It is dangerous to be near an active volcano, yet there are people who live very close to them.

靠近活火山是危险的，但仍有人住在它们附近。

They plan to visit an active volcano.

他们计划去参观一座活跃的火山。

The village is located near an active volcano.

这个村庄位于一座活跃的火山附近。

Located in southern Italy, Etna is the highest active volcano in Europe.

埃特纳火山位于意大利南部，是欧洲最高的活火山。

This is an active volcano.

这是一座活火山.

Vesuvius is an active volcano.

维苏威山是一座活火山.

Mount Vesuvius is an active volcano.

维苏威火山是座活火山。

An active volcano may erupt at any time.

活火山随时可能喷发。