问题 更新时间2023/4/3 12:59:00 free morphemes 答案 登录 注册 Free morphemes have complete meanings in themselves and can be used as free grammatical units in sentences. They are identical with root words. 出自：联大 >> 信阳师范学院-英语词汇学
问题 更新时间2023/4/3 12:59:00
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