Be careful! Baby has very sensitive hearings

来源: 2010-11-01 18:59:53 [旧帖] [给我悄悄话] 本文已被阅读:

Baby has much sensitive hearing at higher pitchs. So there most likely there is some high pitch noise in that song, we can't hear, but it bothers the baby.

That song could be hurting his ears!