例句與造句

1. Metasomatism has also been considered critical for enriching source regions of some silica-undersaturated magmas.
2. The addition of carbon dioxide is relatively a much less important cause of magma formation than the addition of water, but genesis of some silica-undersaturated magmas has been attributed to the dominance of carbon dioxide over water in their mantle source regions.
3. It's difficult to find undersaturated magma in a sentence. 用undersaturated magma造句挺難的