In a recent study of parents and grown-up children in 11 European countries, Karsten Hank of Mannheim University found that 85% of them lived within 25km of each other and the majority of them were in touch at least once a week.
出自-2010年12月阅读原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
（羊毛、绳、线等的）绞，束，团
A hank of wool, rope, or string is a length of it which has been loosely wound.