Phonetic Symbols,WELCOME,发此音时， 嘴巴尽量张大， 舌后略微抬高， 舍身放平向后缩， 舌尖离开下齿， 双唇自然张开， 口腔肌肉绷紧， 发长音。,a er ar au al ear,a-last, glass, after, ask, class, father, fast, pass, banana,er-clerk,ar-far, smart, march, bark, card, hard, car, large, farm, mark, arm, bar, sharp,au-aunt, laugh,al-calf, behalf,ear-heart,Thank you,
