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 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
- 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
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A means of one-way transmission. 单向传输的一种手段。
- 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。
- Disease transmission by direct or indirect contact. 接触传染通过直接或间接接触来传播的疾病
- The low gear configuration of a transmission. 低速齿轮传动的低速齿轮构造
- 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。
- 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
- 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
- A connection between conductors or sections of a transmission line. 接头导体的连接部分或输电线的各部分
- Yes, you have a big cavity there. 你有一个大大的蛀牙洞。
- transmission cavity 发射机谐振腔
- The cavity is usually evacuated. 共振腔通常是抽空的。
- This reduced body cavity is called a hemocoel. 这种缩小的体腔称为血腔。
- Mouth Cavity: including tonsil, decayed tooth etc. 口腔科：含扁桃体、龋齿等。
- A squirrel runs along on a transmission line. 一只松鼠在一条输电线上奔跑。
