其实，美国的现状是，青少年普遍热衷于“在线”，放纵，缺乏户外活动，身体素质不见得比中老年强多少。

来源: fuz 于 2021-04-05 11:55:09 [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.