Five per cent of children stammer at some point.5%的儿童在某个时期会口吃。A speech-therapist cured his stammer.一位言语矫治师治愈了他的口吃。He turned white and began to stammer.他脸色发白，说话开始结巴。...
Most children who stammer grow out of it.大多数口吃的儿童长大以后就好了。Many children stammer but grow out of it.很多小孩口吃，但长大就改过来了。A speech-therapist cured his stammer.一位言语矫治师治愈了他的口吃。Five per cent of children stammer at some point.5%的儿童在...