Attack by scavengers and bacteria, chemical decay, and destruction by erosion and other geologic agencies make the odds against preservation very high.
2
它不是食腐动物,也不像有些鲨鱼那样,只知道游来游去满足食欲。
He is not a scavenger nor just a moving appetite as some sharks are.
3
饥饿的豺靠近沙漠营地,然后鬼鬼祟祟地走进黑夜,它们避开同类的食腐动物,彼此呼唤着。
Hungry jackals approach the Desert Camp before slinking into the thick of night where they skirt fellow scavengers and cry for one another.