例句與造句

1. His research included studies of magma rock and salt deposits.
2. Emission of ash was limited, with magma rocks hitting the ocean causing some steam explosions.
3. The site is one of the longest-standing SSSIs in England, having been listed since 1954, and displays the interaction of a fluid magma rock, now know as the Whin Sill, interacting with older sedimentary rock.
4. It's difficult to find magma rock in a sentence. 用magma rock造句挺難的