990 chronic

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今天我们要学的词是chronic。 Chronic, 长期的，慢性的。在美国， "Some 40 million Americans suffer from chronic sleep problems," 大约有四千万美国人睡眠长期有问题。很多美国人都患有糖尿病、高血脂、高血压这类慢性病，美国疾病控制预防中心说， "Almost half of all adult Americans have a chronic health condition," 美国成人中，将近一半都患有至少一种慢性病。有统计数字显示， "Utah's chronic homeless population has decreased by 42 % in the past year," 犹他州在过去一年里，长期无家可归的人口数量减少了42%。好的，今天我们学习的词是chronic...

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