amphibious quadrupedal herbivorous dinosaur with a long thin neck and whiplike tail; of the Cretaceous mostly in the southern hemisphere
双语例句
1. The titanosaur eggs were laid in loose sand. Scientists believe the hatchling had just emerged from its egg when the snake struck, attracted by its movements.
2. The titanosaur eggs were laid in loose sand. Scientists believe the hatchling had just emerged from its egg when the snake struck, attracted by its movements.
