谢谢秋兰，谷歌了，剑桥词典的答案是fresh air or exercise

来源: 颤音于 2023-07-05 15:02:20 [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.