每个人都会时不时的感到劳累，但如果你一直感到筋疲力竭或累的很严重，它可能是更多严重的健康问题的标志。

Everyone gets tired now and then but if you constantly feel worn out or your tiredness is severe, it could be a sign of a more serious health problem.

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撒哈拉沙漠以南的非洲，东南亚，南亚次大陆，更不用说拉美了，在美索不达米亚或累范特(the Levant)之前，长期以来都处于西方的控制之下。

Sub-Saharan Africa, Southeast Asia, the Subcontinent, not to speak of Latin America, were all seized long before Mesopotamia or the Levant.

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最近的一项研究表明， 在18到44岁的女性中，感到非常累或疲惫不堪的人数几乎是男性的两倍。

Nearly twice as many women than men ages 18-44 reported feeling very tired or exhausted, according to a recent study.

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You'd be less likely to say "You look tired." or "You look bored." or "You look strange."

但你可能并不会说，“你看起来累极了。”，或者“你看起来很无聊。”，或“你看起来很奇怪。”

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