n.熔岩,火山岩
The city was entombed in volcanic lava.
城市被火山熔岩掩埋。
The ground had opened to disgorge a boiling stream of molten lava.
大地开裂,汩汩冒出炽热的熔岩。
Lava is extruded from the volcano.
熔岩从火山中喷出。