您要查找的是不是：
- Blackhole Spam/Virus Filter provides spam and virus filtering using dot files in all the major MTA/SMTP servers for UNIX and similar systems. BlackHole Spam/Virus Filter提供了垃圾邮件和病毒过滤功能，它在UNIX和类似系统的所有主要的MTA/SMTP服务器上使用dot文件。
- You need to filter the drinking water. 你需要把饮用水过滤。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- The news of the defeat started to filter through. 战败的消息开始传出来。
- A main feature of computer virus. 计算机病毒的一种主要特性。
- 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。
- The flu virus infected almost the entire class. 全班几乎人人都染上了流行性感冒病毒。
- We usually clear the water with a filter. 我们通常用过滤器使水净化。
- Scientists have isolated the virus causing the epidemic. 科学家们已分离出引起这种流行病的病毒。
- 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。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- A protease is key to the replication of the virus. 蛋白酶是阻止非典病毒变异的关键物质。
- Rheumtoid arthritis is also linked with the virus. 风湿性关节炎也和这种病毒有关。
- He might have taken it to combat a summer virus. 他可能服用了此物来抵抗一种夏季的病毒。
- Filter out all the dirt before using the water. 在用水以前先将其中不清洁的东西过滤掉。
- Another virus survey was carried out. 对别的病毒进行了观察。
- The virus latches onto the red blood cells. 这种病毒附着在红细胞上。
- Sows are suffering from virus pneumonia. 母猪感染了病毒性肺炎。
