绕口令

本书以小朋友喜闻乐见的儿歌、诗歌、绕口令和游戏等形式，深入浅出地介绍了汉语拼音和数学知识，以及学习拼音和数学的方法。

tongue　depressor　(tongue　blade)

give sb. a lick with the rough side of one's tongue

sluggish tongue impeding speech

tongue depressor

thick tongue fur

tongue coating

split tongue

TONGUE(S) depressors combined with dental saliva removers