In analyzing the diaries, they found troubling age - related trends in sleep behavior.分析这些日志后, 研究人员发现睡眠行为中存在的年龄相关的问题.The ulcer had been troubling her for several years.溃疡已经折磨她好几年了。A close look at the statistics reveals a...
This was a troubling essay on the anatomy of nationhood.这是一篇剖析民族主义的让人不安的文章。A close look at the statistics reveals a troubling picture.仔细看过统计数据后，会发现情况令人担忧。The ulcer had been troubling her for several years.溃疡已经折磨她好几年了。...