辅音
清辅音与浊辅音区别；
结尾时不要在辅音后面加元音

辅音
清辅音

six
stop
bus
nice

辅音
浊辅音

zero
zoo
nose
surprise

辅音
清辅音；舌头在两齿之间

thanks
think
tooth
mouth

辅音
浊辅音；舌头在两齿之间

this
they
breathe
weather