It's that little gum ridge right behind your front teeth, right here.
就是你前牙后面的那个小牙龈， 就在这里。
Gum ridge
原声例句
Howcast英语口音小课堂
英语百科
Alveolar ridge
An alveolar ridge (/æl.ˈvi.ə.lər/ or /æl.ˈvi.lər/; also known as the alveolar margin) is one of the two jaw ridges either on the roof of the mouth between the upper teeth and the hard palate or on the bottom of the mouth behind the lower teeth. The alveolar ridges contain the sockets (alveoli) of the teeth. They can be felt with the tongue in the area right above the top teeth or below the bottom teeth. Its surface is covered with little ridges.
- malabathrum的意思
- Malabatree Euphorbia Twig的意思
- Mala Bilozerka的意思
- malable的意思
- Malabo的意思
- Malabo的意思
- Malabon的意思
- Mala Bosna的意思
- Mal Abrigo的意思
- Malabrigo的意思
- Malabrigo, Cayo的意思
- malabsorbtion的意思
- malabsorbtions的意思
- malabsorption的意思
- malabsorption in small intestine的意思
- Malabsorption in the elderly的意思
- Malabsorption,Lactose的意思
- malabsorption of lipid的意思
- malabsorption pattern的意思
- malabsorption的意思
- Malabsorption syndrome的意思
- Malabsorption syndromes的意思
- malabsorptive的意思
- Malabu的意思
- Malabuňgan的意思