这个打三针是为啥呢？和美国的一样，加强？

来源: lucky_rain 于 2022-12-07 05:27:53 [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.