心理学
犯罪高峰年龄
In Scotland, the peak age for offending is between 17 and 20, and the levels of knife crime are more than three times higher than in England and Wales.
BBC: Are we negative about our children?
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。