arbo 发表于 2012-3-1 18:08 8 B" I1 A5 O2 V1 I" M. u2 ?One is relaxed and one is tight. 5 n6 l- R. u3 E' v2 ~; O6 m- HI think this is the most critical aspect.
+ @7 G9 _6 G/ A5 c9 R lock 和dock放松些,是吗?当我听这两个音时,我能区分出来,但是却有些讲不出来它们的区别,觉得挺微小的,好象紧张的那个音发得清楚些,而放松的那个就有些圆滑而模糊。