upset speed

Total sleep deprivation means being kept awake for days or weeks. A long-term sleep debt may cause emotional upset, compromise work performance, weaken memory, alertness, attention as well as judgment. It may also speed up one ’ s ageing process and lead to other types of diseases.

后者则指一个人连续几天或几周不合眼。长期处于睡眠负债的状况中，不但会影响情绪、工作表现、还会减低记忆力、警觉性、注意力和判断力、并且加速老化，甚至引发其它疾病。

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In the juniors tournament, a startling speed bump interrupted the ride of the 15-year-old CiCi Bellis, who stirred the main draw with her first-round upset of No. 20 seed Dominika Cibulkova last week.

在青少年组的比赛中，15岁的茜茜·贝丽斯（CiCi Bellis）前进的步伐出人预料地戛然而止。在上周的美网正赛中，她首轮爆冷击败了20号种子多米妮卡·齐布尔科娃（Dominika Cibulkova）。

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