“熔岩”的拼音为：róng yán...

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

“熔岩”的英语可以翻译为：lava，fulgurite ...