Dinosaurs were wiped off the face of the Earth by a sudden drop in temperature and not by a comet striking the planet.
恐龙从地球上消失的原因，是因为地球温度的骤降，而非彗星撞击地球。
Dinosaurs were wiped off the face of the Earth by a sudden drop in temperature and not by a comet striking the planet.
恐龙从地球上消失的原因，是因为地球温度的骤降，而非彗星撞击地球。
