"牙齿"在英文中翻译为"teeth"。"牙齿"源于古拉丁语"dens"，意思是"tooth"。下面是一些用英文表达"牙齿"的例句，并附上中文翻译：
I brush my teeth twice a day. (我每天刷牙两次。)
He has a toothache because he has a cavity in one of his teeth. (他有牙痛，因为他的一颗牙有龋齿。)
The dentist will fix the gap between her two front teeth with braces. (牙医会用牙套修补她两颗间隙较大的前牙。)
The shark has very sharp teeth. (这条鲨鱼的牙齿很锋利。)
希望这些信息对你有帮助。