您要查找的是不是：
- Reception improved because of the new antenna. 接受效果因有新天线而得到改善。
- 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
- cavity antenna 谐振腔天线
- No antenna, no radio, we're back in the nineteenth century! 没有天线，没有无线电，我们回到十九世纪了。
- 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。
- You should fix the television antenna before receiving programs. 接收节目前，你应该先装天线。
- The reception is very poor. Let me adjust the antenna. 接收效果太差了。让我来调一下天线。
- The peritoneal cavity is a potential space. 腹腔是一个潜在的间隙。
- Extend the telescopic antenna vertically. 竖直地伸张伸缩式天线。
- 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
- He said he would head the antenna with a ball. 他说他还要给天线安个圆头。
- 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
- He erected a television antenna on the roof. 他在房顶立了电视天线。
- They erected a television antenna on the roof. 他们在屋顶上架起了电视天线。
- Yes, you have a big cavity there. 你有一个大大的蛀牙洞。
- The headphone cord functions as the FM antenna. 耳机导线也具有FM天线的功能。
- The cavity is usually evacuated. 共振腔通常是抽空的。
