cavities
US /ˈkæv.ɪ.tiz/
UK /ˈkæv.ɪ.tiz/
复数名词
1.
蛀牙, 龋洞
holes or decayed areas in teeth caused by acid-producing bacteria
示例:
•
Regular brushing and flossing can help prevent cavities.
定期刷牙和使用牙线有助于预防蛀牙。
•
The dentist found two small cavities during my check-up.
牙医在我的检查中发现了两个小蛀牙。
2.
空腔, 洞
empty spaces or holes within a solid object or body
示例:
•
The rock had several small cavities where crystals had formed.
岩石中有几个小空腔,里面形成了晶体。
•
The surgeon carefully explored the abdominal cavities.
外科医生仔细探查了腹部腔。