good practice!

It is very good .

For voiced /th/ sound , stick out your tongue and push air out. Unvoiced sound say soft 'TH'.

My two cents.

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从未留意TH 音的弱读与强度,谢谢提醒. -ntotl- 给 ntotl 发送悄悄话 (0 bytes) () 05/30/2009 postreply 14:56:21

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