我不知道如何使用同温层观察镜。I don't know how to use the stratoscope.关于同温层中的粒子这一问题将另行讨论.The subject of stratospheric particles will be discussed separately.两类物质分别在同温层和对流层氧化降解.Chlorofluorocarbons and hydrochloroflorocarbons are ox...
The ground had opened to disgorge a boiling stream of molten lava.大地开裂,汩汩冒出炽热的熔岩。The volcano was spurting out rivers of molten lava.火山喷涌着熔岩.Molten metal ran out on to the flagstones.熔化的金属溢流到外面的板石上....