arbo 发表于 2012-3-1 18:08 ! U) s* H+ w0 B% u! N# s2 t# w, R2 W
One is relaxed and one is tight. ' d' t& S8 y9 N1 N1 w' ?
I think this is the most critical aspect.
* y' A) ]* q4 w/ s! r# |* i 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。