名詞 teeth:

1. the kind and number and arrangement of teeth (collectively) in a person or animal
   同義詞：dentition

名詞 tooth:

1. hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense
   同義詞：tooth
2. something resembling the tooth of an animal
   同義詞：tooth
3. toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell
   同義詞：tooth
4. a means of enforcement
   同義詞：tooth
5. one of a number of uniform projections on a gear
   同義詞：tooth

1. There is something between my teeth and I can't dislodge it.
   我牙縫里塞了點東西，就是弄不出來。
2. Some people grind their teeth while they are asleep.
   有些人睡覺時磨牙齒。
3. The dentist was cleaning and taking out teeth.
   牙科醫(yī)生正在清潔和拔牙。
4. He is removing bits of food stuck between the teeth with a toothpick.
   他正用一根牙簽剔除牙齒間的飯渣。
5. Her front teeth were irregular in formation.
   她的門牙排列不整齊。
6. I have a toothache because there is a cavity in one of my teeth.
   我牙疼，因為我的一顆牙齒上有個洞。
7. I pick up a leaflet about the care of teeth.
   我拿起一張宣傳保護牙齒的傳單。
8. The dog bared its teeth.
   狗露出了牙齒。