发舌面单元音时，舌头较高的部位叫舌位，口腔开闭的程度叫开口度。
仔细观察本土人士讲英语时的嘴型和舌位。
Watch the mouths and tongues of native English speakers carefully.
一位快嘴舌的女人阴阳怪气地说：“够派”！
A meddlesome woman said in a voice dripping with sarcasm: "Very smart!"
一位女佣告诉调查员，2006年在舌塞尔度假期间，“巴纳尔不断骚扰贝登·古尔女士，要她给他写张支票。”
A maid told investigators about a holiday in the Seychelles in 2006 when "Mr Banier was harassing Madame Bettencourt to write him a cheque."
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