搜索结果: 1-1 共查到“理学 volcanoes form”相关记录1条 . 查询时间(0.046 秒)
![](http://www.firstlight.cn/upload/imgfile/201910/30/20191030162422677.jpg)
Geoscientists have discovered the first direct evidence that material from deep within Earth's mantle transition zone -- a layer rich in water, crystals and melted rock -- can percolate to the surface...