Baboons have a large head, cheek pouches, and a long, doglike muzzle.
狒狒头部硕大，有颊囊，鼻口部狭长似狗。
2
Baboons have a large head, cheek pouches, and a long, doglike muzzle. They walk on all fours, carrying the tail in a characteristic arch.
狒狒头部硕大，有颊囊，鼻口部狭长似狗。以四肢行走，行走时尾巴呈特有弓形。
3
Recently unearthed fossils trace whales to a doglike predecessor of hoofed plant-eaters, and genetic analysis has identified hippos as whales' closest living relatives.