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Saturday thirsty thirty[e]時(shí)舌尖抵下齒,舌前部稍抬起。嘴不要張?zhí)?,上下齒間距離寧可偏小。bed ten pen yes men egg tell desk well yellowhead umbrella red February breakfast 發(fā)[230。]時(shí),舌尖抵下齒,舌前部稍抬起。嘴要張開、張大,而且盡量放寬,剛開始練習(xí)時(shí)可以夸張一點(diǎn)。ant and at bag black animal cat can apple pandahave rabbit map candle Saturday jacket family carrot man dad that thank happy back[ ?]的特性: 發(fā)音時(shí)口張大,舌身盡量降低并后縮,雙唇稍稍收?qǐng)A。job sock watch fall office orange [ ?:]的特性: 它是長(zhǎng)元音。發(fā)音時(shí)舌后部抬得比//即美式//美式//高,雙唇收得更圓更小,并向前突出。tall fall door walk short four hall wall daughter small Autumn Australia warm