问题 更新时间2023/4/3 12:59:00 An idiom consists of at least two words. Each has a single meaning and often functions as one word. This is called _( ) A. semantic unity B. structural stability C. structural stability D. none of the above 答案 登录 注册 参考答案:A 出自:联大 >> 信阳师范学院-英语词汇学