读/e/时,舌头放松状态。嘴唇也放松,张得宽一点。
读梅花唉时,舌头很低,紧贴floor of mouth。嘴唇是上下张开。
读/e/时,舌头放松状态。嘴唇也放松,张得宽一点。
读梅花唉时,舌头很低,紧贴floor of mouth。嘴唇是上下张开。
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