来自volcano,火山。

1. Weather satellites have observed a ring of volcanic ash girdling the earth.

气象卫星观测到一个环绕地球的火山灰带。

2. Mount Unzen has been spewing out volcanic ash, gas, and rock today.

云仙山今天一直在向外喷涌火山灰、气体和火山岩。

3. The volcano spewed out more scorching volcanic ashes, gases and rocks.

火山喷出更多灼热的火山灰、气体和岩块。

4. Many oceanic islands are volcanic.

很多海洋岛屿都是因火山活动而形成的。

5. St Vincent is a lush, volcanic island.

圣文森特岛是座郁郁葱葱的火山岛。