如果有人能在人类篝火的炭火旁发现一具肋骨插着矛尖的双原齿动物骨架，或者发现袋狼的骨头，那将会很有帮助。
It would be helpful if someone uncovered a Diprotodon skeleton with a spear point embedded in a rib — or perhaps Thylacoleo bones next to the charcoal of a human campfire.
一根骨头是来自牛一般大小的哺乳动物的肋骨；另一根是来自山羊一般大小的哺乳动物的腿骨碎片。
One bone was a piece of rib from a cow-sized mammal; the other, a leg bone fragment from a mammal the size of a goat.
但经更仔细检查，可能会发现一些细微的线索表明有隐藏的损伤，如青肿、视网膜出血或者肋骨或其它骨头骨折等。
But on closer examination, there may be subtle clues pointing to hidden injuries, such as bruising, retinal haemorrhages or fractures of the ribs or other bones.
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