您要查找的是不是：
- That is actually a cavity in the earth. 那其实是一个地下洞穴。
- A cavity or hollowed surface, especially of a bone. 腔尤指骨头的腔或凹陷的表面
- The cavity formed by this structure. 盆腔由这种骨骼结构形成的体腔
- The density of population in this city is very high. 这个城市的人口密度非常高。
- 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。
- Density cavity 密度空腔
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- The peritoneal cavity is a potential space. 腹腔是一个潜在的间隙。
- The peritoneal cavity is a closed sac. 腹膜腔是一个封闭的囊腔。
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- A fluid-containing sac or cavity in the body of an organism. 池有机体体内一种贮存流体的液囊或穴
- The population density is evened out. 种群密度亦趋于均匀化。
- A small angular cavity or pit, such as a honeycomb cell. 小窝，蜂巢小窝或小泡，如蜂房的巢室
- Yes, you have a big cavity there. 你有一个大大的蛀牙洞。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
- The cavity is usually evacuated. 共振腔通常是抽空的。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- This wave of excess density is sound. 这种过剩密度的波就是声波。
- This reduced body cavity is called a hemocoel. 这种缩小的体腔称为血腔。
- The density logger consists of a radiation source. 密度测井仪包括辐射源。
