【英语时差8，16】男孩女孩？
时间：2015-10-28 05:51:44
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（单词翻译）
Boy or girl? That's the first question we ask about new babies, new puppies and newly-found fossils. Fossils? Yep. Experts can tell if an ancient Egyptian mummy or a prehistoric1 human was a boy or a girl just by looking at the skeleton. Here's how they do it. The human skeleton offers insight into a person's life: it will show the signs of disease, malnutrition2, and injuries, as well as aging and sex. Experts can identify a skeleton's sex by looking at two key areas: the skull3 and the pelvis.
Male
skulls4 tend to be larger than female skulls, with heavier bones and a larger braincase. On the face area, there are bigger brow
ridges5, thicker jawbones and cheekbones, and the chin is more square than a female's chin, which is generally more
pointed6.
On the other hand, well, not hand, there's the pelvis. The female pelvis is shaped like a wide, oval bowl with a large opening at the top and a slightly smaller opening at the bottom. If a female has had children, the pelvis will also show this. The male pelvis is more narrow generally, and the opening at the bottom is more heart-shaped than oval.
Experts also use this type of information during
forensic7 investigations8. While the eyes may be the window to the soul, the skeleton offers experts a view into a human life.
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