她提到 Tense vowels use the lips and jaw muscles. Soft vowels are subtle variations of sound using the throat muscles.
牛啊!牙醫真是吃透了AAT了!我查了查11章找到一點兒關於muscle的
所有跟帖:
• where, where -全國牙防組- ♂ (94 bytes) () 11/29/2011 postreply 08:17:06
她提到 Tense vowels use the lips and jaw muscles. Soft vowels are subtle variations of sound using the throat muscles.
• where, where -全國牙防組- ♂ (94 bytes) () 11/29/2011 postreply 08:17:06
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