1.Mount Etna, Europe's most active volcano, erupted with lava several times on Saturday night.
active 活跃的
He was very active in Freemasonry.
他在共济会组织很活跃
。2.Mount Etna, Europe's most active volcano, erupted with lava several times on Saturday night.
volcano 火山
Lava is extruded from the volcano.
熔岩从火山中喷出
。