teeth tooth的正确用法5只牙是five teeth or five tooth or five teeths or five tooths什么时候用tooth,一颗牙怎么说?

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teeth tooth的正确用法5只牙是five teeth or five tooth or five teeths or five tooths什么时候用tooth,一颗牙怎么说?

teeth tooth的正确用法5只牙是five teeth or five tooth or five teeths or five tooths什么时候用tooth,一颗牙怎么说?
teeth tooth的正确用法
5只牙是five teeth or five tooth or five teeths or five tooths
什么时候用tooth,一颗牙怎么说?

teeth tooth的正确用法5只牙是five teeth or five tooth or five teeths or five tooths什么时候用tooth,一颗牙怎么说?
teeth 是tooth的复数形式
所以 five teeth
a/one tooth

five teeth
单数就用tooth
一颗牙就是one tooth

teeth tooth的正确用法5只牙是five teeth or five tooth or five teeths or five tooths什么时候用tooth,一颗牙怎么说? teeth和tooth使用的区别是什么? teeth和tooth怎么用1、It is important and good for us to keep our teeth clean and healthy.2、His tooth gave another red-hot jounce.teeth 和tooth 在运用的时候单复数怎么选择? tooth的复数是teeth , brush的复数是brushes; toothbrush的复数是什么? 为什么TOOTH的复数可以是TEETH,为什么BOOTH的复数不是BEETH “teeth”是什么单词的复数?那“tooth”是什么单词的复数啊? tooth和teeth哪个是复数?这两个单词是牙齿的意思. do you know之后的疑问句是否要加助动词根据所给词的正确形式填空(不必一空一词):Do you know how many _____(tooth)a tiger has中间是填teeth does还是只要填teeth,如果填teeth does 但是后面的has已经 no 后面加tooth还是teeth It hurts so much when a baby gets his first teeth这里为什么不用tooth而用teeth?这是走遍美国里的一句台词.. teeth和tooth到底哪个是复数?怎样区分好? 翻译 他没有牙齿 是用tooth还是teeth 为什么刷牙是brush my teeth牙齿是tooth? That girl looked funny with a pair of_____.A false teeth B false tooth C wrong teeth D wrong tooth have a sweet tooth!have a sweet tooth是喜爱吃甜食的意思,那have a sweet teeth呢?也是一个意思吗?我看金山词霸2006上这两个是一个意思.但我又听别人说只能用have a sweet tooth而不能用have a sweet teeth. we should clean( )twice day A our tooth B our tooths C teeth D our teeth ()His_________are big ang sharp.A.tooth B.some teeth C.teeth i brush my teeth twice a day 为什么要用teeth而不是tooth