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When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。Why were grown-ups always so st...
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abbr.uninterrupted power supply 不间断电源，ultraviolet photoelectron spectroscopy 紫外线光电子分光镜检查，ultraviolet photoemission spectroscopy 紫外光电发射谱分析法，uninterruptible power supply 连续动力供应v.站起身，提高（价格等）( up的第三人称单数 )，突然移动，突然（做意想不到的事）...
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Web surfing can be equally a wobbly wade through bursts of pop - ups and loudmouthed video ads.网页浏览同样让人讨厌,因为你必须面对不断弹出的新窗口和吵吵嚷嚷的视频广告.Even grown - ups can't lift it, to say nothing of children.大人尚且举不起来, 何况小孩子.The orga...