volcano|volcanoes

富士山是一座休眠火山。

Mount Fuji is a dormant ___volcano.

喷发的火山会向空气中释放灰烬和气体。

Erupting ___volcanoes can release ash and gases into the air.

圣托里尼以其火山而闻名。

Santorini is famous for its ___volcano.