每天走三万步算extreme exercise, 每天走一万步算regular exercise.

来源: 幕鼓晨钟于 2024-05-19 14:26:20 [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.