English vowels may be distinguished as front, c_________ and bac

分类: 现代语言学(00830) 发布时间: 2024-08-30 23:50 浏览量: 0
English vowels may be distinguished as front, c_________ and back.
【正确答案】:central
【题目解析】:英语元音可分为前、中、后三种。