例句與造句

1. The lake filled in 1897 and again in April 1989 . It has a thin salt crust with red-brown clays beneath, which are soft and boggy.
2. Adjacent to the pool, where water is not always present at the surface, repeated freeze thaw and evaporation cycles gradually push the thin salt crust into hexagonal honeycomb shapes.
3. It's difficult to find thin salt crust in a sentence. 用thin salt crust造句挺難的