“火山岩”造句

云仙山今天一直在向外喷涌火山灰、气体和火山岩。
Mount Unzen has been spewing out volcanic ash, gas, and rock today.

玄武岩是最普通的火山岩.
Basalt is the commonest volcanic rock.

火山岩在正常情况下有强的磁化率.
Volanic rocks have high susceptibilities under normal conditions.