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假如末尾音标为[s] 为何读成 刺而不是斯?
假如performance ; prevalence音标末尾都是s,但字典里发音像ts一样,发成刺 而不是斯, 这是为何呢?
这是由于英语的n , t 和 s 的舌尖地方相同。分别为舌尖齿龈鼻辅音，舌尖齿龈爆破音和舌尖齿龈摩擦音。发n的音的时候，气流在舌尖齿龈部受阻，返回后从鼻腔逸出，形成半个口腔的共鸣腔。然后发 s的音的时候舌尖下落，口腔的堵塞忽然解除，类似爆破音t (舌尖齿龈爆破音），再接着发s, 听上去就有点像ts这个舌尖齿龈破擦音了。
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