dropout rate的用法和样例：
例句
- Excessive drinking in Irish universities is contributing to a high dropout rate, education officials said.
爱尔兰教育官员表示，一些大学生饮酒过量，造成高退学率。 - And it notes that studies have shown that large schools are linked to low student performance and higher dropout rates.
并且它注意到这些研究表明学生成绩差和高退学率是和大学校联系在一起的。
词汇搭配
- drop out 退出
