他偶然发现了一个450万年前的有袋动物的颌骨。
He came across the jawbone of a 4.5 million-year-old marsupial.
伯格尔博士和他的同事们在论文中写道，这块颌骨有一些类似人类的特征，然而，这并不表示这块颌骨的主人就必须是人类。
The jawbone has some human-like features, Dr. Berger and colleagues write, yet that does not mean the owner of the jawbone was necessarily human.
提取出原始DNA的颌骨如今已经回到无名水兵的遗骨里，同时，有各种暂时性的计划打算把这个人埋在杰拉尔顿。
The jawbone from which he had the crucial DNA extracted is now back with the rest of the Unknown Sailor’s remains, and there are provisional plans to bury the man in Geraldton.
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