The Camarasaurus had a very good digestive system; it would swallow gizzard stones to help grind up the tough vegetation that it would eat.
The Camarasaurus had a very good digestive system; it would swallow gizzard stones to help grind up the tough vegetation that it would eat.
卡玛拉龙有个非常强壮的消化系统，它会吞下砂石来帮助消化胃里其它坚硬的植物。