镜面如水银一般。exact这里是精密的意思，与下面的真而无假呼应

来源: 忒忒绿于 2021-01-03 12:04:00 [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.