n. rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface
n. 熔岩, 火山岩
[医] 火山石(一种顺势疗法药)
1. The lava from the volcano flowed down the mountain.
火山的熔岩沿着山坡流下。
2. We watched the lava cool and harden into rock.
我们看着熔岩冷却并硬化成岩石。
3. Scientists study lava to understand how volcanoes work.
科学家研究熔岩以了解火山是如何运作的。