当火上爆发式会有很多吨的粉尘进入大气层，之后便反射了光线。
When large volcanoes erupted they just burst tons of particle into the atmosphere where the particles then reflect light.
有些喷雾状物是自然形成的，比如说浪花，或火上爆发，但是NASA（美国国家航空宇航局）估计大气中10%的此类物质属于人为造成。
Some aerosols occur naturally like sea spray and volcanic emissions, but NASA estimates ten percent of the total aerosols in the atmosphere are caused by people.
有些喷雾状物是自然形成的，比如说浪花，或火上爆发，但是NASA（美国国家航空宇航局）估计大气中10%的此类物质属于人为造成。
Some aerosols occur naturally like sea spray and volcanic emissions, but NASA estimates ten percent of the total aerosols in the atmosphere are caused by people.
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