你好厉害呀，那个第一第二体系，我读思跋涉了十多年才弄明白。你不是某大的吧？

来源: dhyang_wxc 于 2022-03-15 06:25:55 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.