1、代表个数不一样:tooth表示一个,teeth就是表示两个或者两个以上。
2、形式不一样:tooth是单数,teeth是tooth是复数。
3、tooth和teeth读音不一样:tooth意思是:牙齿,读音:英[tuːθ]美[tuːθ];teeth意思是:牙齿,读音英[tiːθ]美[tiːθ]。
1、Her tooth was extracted under local anaesthetic.
她的牙齿是局部麻醉拔出的。
2、He chipped off a piece of his tooth.
他锛缺了一点牙齿。
3、I need to have two teeth filled.
我有两颗牙要补。
4、The dentist may decide that the wisdom teeth need to be extracted.
牙医可能会认为智齿需要拔掉。
5、A high proportion of five-year-olds have teeth in poor condition.
五岁儿童牙齿不健康的比例高。