例句與造句

1. Mid-ocean ridge activity or rather, the circulation of seawater through the enlarged ridges enriched the oceans in calcium; this made the oceans more saturated, as well as increased the bioavailability of the element for formations from North America include the rich marine fossils of Kansas's Smoky Hill Chalk Member and the terrestrial fauna of the late Cretaceous Hell Creek Formation.
2. It's difficult to find fossils of kansas in a sentence. 用fossils of kansas造句挺難的