您要查找的是不是：
- You need to filter the drinking water. 你需要把饮用水过滤。
- That is actually a cavity in the earth. 那其实是一个地下洞穴。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- A cavity or hollowed surface, especially of a bone. 腔尤指骨头的腔或凹陷的表面
- The news of the defeat started to filter through. 战败的消息开始传出来。
- The cavity formed by this structure. 盆腔由这种骨骼结构形成的体腔
- It won't take long to filter the coffee. 用不了多少时间就可以把咖啡过滤好。
- I took this picture with a red filter. 这张照片我是用红色滤光镜拍摄的。
- 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。
- We usually clear the water with a filter. 我们通常用过滤器使水净化。
- Put the coffee in the filter and let the water run through. 把咖啡倒入滤器里让水流过。
- The filter cleans the fuel before it enters the engine. 在燃料进入发动机之前，过滤器先把它过滤。
- The peritoneal cavity is a potential space. 腹腔是一个潜在的间隙。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- 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
- Yes, you have a big cavity there. 你有一个大大的蛀牙洞。
- 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。
