短語詞組短語phonetic notation symbol 注音符號About Phonetic Symbol 關於音標Review of phonetic symbol 複習音標phonetic symbol recognition 音標識別Phonetic Symbol Demo 音標口型international phonetic symbol 國際音標phonetic symbol teaching 音標教學Phonetic Symbol Guide 語音符號指南Phonetic Symbol Practice 音標拼讀練習 返回 phonetic symbol