更多greensand例句

1. In 1848 he advocated the use of phosphate nodules in the "Greensand" beds of Cambridgeshire.
2. The tail vertebræ from the Cambridge Greensand are mostly found isolated or with not more than four joints in association.
3. Its most remarkable features are shown in the large, well-preserved specimens from the Cambridge Greensand.
4. Within my own memory Pterodactyle remains were equally rare from the Cambridge Greensand.
5. You probably wonder why these red cliffs are called Greensand.