1. magma of any composition that cooled very rapidly. 
   稀糊状混合物，能迅速冷却。
2. rock formed by the solidification of molten magma. 
   熔浆凝固后形成的岩石。
3. If the magma breaks through to the surface, the result is a volcano. 
   如果岩浆冲出地面火山就爆发了。
4. Deep beneath the Earth's crust there are pockets of partially liquid rock called magma. 
   在地壳的深处有很多异体囊，囊中有半液态的岩叫作岩浆。
5. Derived from magma poured out or ejected at the earth's surface. Used of igneous rocks. 
   喷出的火山的来自于喷出或喷在地表的岩浆的。用于火成岩

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