我代帮教授回答：-），是达标波士顿马拉松的缩写。

来源: 广陵晓阳于 2023-03-04 13:48:22 [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.