实际上可以是0，1，2，3。。。到一定的数，但不是无限的。我们家是1+1=2.

来源: hhtt 于 2021-10-20 10:12:01 [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.

Change Ad Consent