在冰岛的火山灰尘Maelifellssandur沙漠。
尽管其出现极具震撼，但这些火山灰尘对于全球气候的长期影响并不重大。
Despite their dramatic appearance, however, these ash plumes are insignificant when it comes to long-term affects on global climate.
几英尺厚的灰尘和火山灰使肥沃的土壤窒息，致使日本南部两个世纪内都无法居住。
Dust and ash several feet thick smothered the fertile soil, rendering southern Japan uninhabitable for two centuries.
外喷的气体将大量的灰尘和火山灰带入空中。数以吨计的火山灰，在地球的这个洞的周围，形成一个锥体。
The out-rushing gases carry up into the air huge amounts of dust and ashes. The tons of ashes form a cone around the hole in the earth.
外喷的气体将大量的灰尘和火山灰带入空中。数以吨计的火山灰，在地球的这个洞的周围，形成一个锥体。
The out-rushing gases carry up into the air huge amounts of dust and ashes. The tons of ashes form a cone around the hole in the earth.
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