你还可以先闭紧嘴巴，用鼻子吸气试一下，鼻子吸气腹部自然就鼓起了，然后张开口呼吸。

来源: 故乡月最明于 2026-03-21 09:57:36 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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