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单元音/ɑ:/ 长元音。口腔打开,嘴张大,舌身平放后缩,舌尖离开下齿, 下巴收低一点,轻松发音。与“啊”发音有点像。 /ɑ:/ 例词: car garden star guitar 你还记得前面出现过那些单元音吗? /i:/, /I/, /e/, /?/ /?:/, /?/, /?/ /u:/, /?/, /?:/, /?/, /ɑ:/ ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________