U.S. geologists say they may have found the answer — or at least an important clue — in a bone-dry desert in Egypt, of all places.
美国地理学家说他们也许找到了答案——或者至少一条重要的线索——在干枯的埃及沙漠，所有的地方。
Like Jill, many people do not know they have osteoporosis unless they break a bone. Or, they may find that they are getting shorter.
象吉尔一样，有许多人在发生骨折前还不知道自己得了骨质疏松症，或许他们可能会发现自己变矮了。
Like Jill, many people do not know they have osteoporosis unless they break a bone. Or, they may find that they are getting shorter.
象吉尔一样，有许多人在发生骨折前还不知道自己得了骨质疏松症，或许他们可能会发现自己变矮了。
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