发音舌尖抵住下牙龈,舌尖和舌端两侧触下齿双唇平放,向两旁平伸上下齿之间约相当于一个食指加中指距离单词bus but bugcut cup pubrun sun gunnut sum fundull lush rush shut thus junkmum mug mudduck luck suckjust must dusthunt plus plum句子He dug it.The bug can buzz.Do you have a cup?The bug is in the mud.It has dust and rust on it.同音[ʌ]but buttson sunton tonnedone dunrough ruffsome sumbussed busttrussed trust辨音 [ʌ] [ɒ] luck lock lung longshut shot gun gonefund fond sung songbuddy bodycolour collar brother botherwonder wander[ʌ] [æ]run ranton tancut catfun fanhut hatbug bagbun banluck lacktruck trackswum swam
