啊-- diastolic--舒張, is relaxed vs. systolic

来源: 于 2012-11-10 06:23:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

ah, oh and yi are exclamation and have no significant difference while yi1 in English is alas  yi2 expresses surprise: well or why.  yi3 also exclames.