arbo 发表于 2012-3-1 18:08 # I5 e$ T' n0 D3 V3 {: p
One is relaxed and one is tight. 5 Q7 u) z' B" B& ^! M; f @+ GI think this is the most critical aspect.
' A' g- E3 T w% j, v9 U& [ 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。
arbo 发表于 2012-3-5 12:36 1 U8 ^; |- x; W, D/ h+ R1 fAgree with Lastman. Duck and luck, you need to relax. Dock and lock, you need to be a little bit tig ...