1、tooth是名詞,意思是牙,牙齒,其複數形式是teeth。
2、例如 Brush your teeth thoroughly morning and night.早晚要好好刷牙。I had to have my tooth out.我不得不拔了顆牙。
3、常見的短語有:a broken tooth破損的牙齒。a missing tooth掉了的牙齒。a front tooth前牙。a back tooth後牙。a false tooth假牙。a baby tooth 乳牙。例如The tooth he pulled out was his front tooth.他拔的牙是他的門牙。