您要查找的是不是：
- many cavities in a mould 一模多腔
- I have a cavity in a tooth and it's very painful. 我一颗牙齿有蛀洞而且很痛。
- The formation of cavities in a body tissue or an organ, especially those formed in the lung as a result of tuberculosis. 成洞身体组织或器官内空洞的形成，尤指那种因肺结核而在肺中形成的空洞
- We spent many hours in a pleasant conversation. 我们畅谈了好几个小时。
- Cavities in teeth are caused by decay. 牙齿的蛀洞是由蛀蚀造成的。
- There are many nouns in a dictionary. 字典里有很多名词。
- Many coal-miners were imprisoned in a pit accident. 在一次塌方事故中，许多矿工被压在了井下。
- He has a yen to be alone in a boat. 他渴望独自待在一条船上。
- The boat heeled over in a strong wind. 船在强风吹袭下倾侧了。
- In a frenzy of hate he killed his enemy. 在一阵痛恨的狂乱中，他杀死了敌人。
- How many cavities can be filled? 可生產多少穴?
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- That is actually a cavity in the earth. 那其实是一个地下洞穴。
- How many hundreds are there in a thousand? 一千里有多少个一百?
- The dentist filled several cavities in my teeth. 牙医给我的牙堵了好几个洞
- She is a receptionist in a doctor's office. 她在一位医生的诊所中担任接待员。
- Cotton cloth is made in a cotton mill. 棉布是由棉纺厂生产的。
- I have a toothache because there is a cavity in one of my teeth. 我牙疼，因为我的一颗牙齿上有个洞。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- How many hours of daylight do we have in a day? 一天中我们有多少小时有阳光?
