volcanic gas

• 火山气体

volcanic gas的用法和样例：

例句

1. The temperature of volcanic gases is very high.
   火山气体的温度很高。
2. Scientific instruments inside the volcano's cracks record a sudden drop in temperature, and much less volcanic gas.
   火山裂缝里的科学仪器记录了突然下降的温度和更少的火山气体量。