root cast造句

例句与造句

1. However, early written accounts and the remains of ancient plants in the form of calcareous root casts indicate that, prior to 1860, brush covered a portion of the island.
2. Although evidence has been provided for this mechanism in the formation of root casts in South Africa, evidence is still required for its role in the formation of the Pinnacles.
3. The many fossils and overall geology of the site, including fine-grained sediments full of plant remains and root casts, suggested that, in the Cretaceous period long before the pharaohs and Romans, Bahariya may have resembled the tropical mangrove coasts of the Florida Everglades.
4. It's difficult to find root cast in a sentence. 用root cast造句挺难的