您要查找的是不是：
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- Bacteria are too small to see with the naked eye. 细菌太小，肉眼看不见。
- You need to filter the drinking water. 你需要把饮用水过滤。
- Many diseases are caused by bacteria. 许多疾病是由细菌引起的。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- Dissolution or destruction of bacteria. 溶菌作用对细菌的溶解或破坏
- Such a growth or colony, as of bacteria. 培养菌该种生长物或群落，如培养菌
- The news of the defeat started to filter through. 战败的消息开始传出来。
- The presence of bacteria in the blood. 菌血症血液中细菌的存在
- 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。
- He worked out methods to destroy bacteria on the seeds. 他研究出消灭种子上细菌的方法。
- I took this picture with a red filter. 这张照片我是用红色滤光镜拍摄的。
- Professor Fang worked out a method to destroy bacteria on the seeds. 方教授想出了一个办法来消灭种子上的细菌。
- Carbon filter except foul smell;acid and bacterium. 卡式活性炭过滤器，净油除味，脱酸，杀菌。
- We usually clear the water with a filter. 我们通常用过滤器使水净化。
- Observe carefully how the bacteria respond to this stimulus. 仔细观察细菌对这一刺激有什么反应。
- filterable bacteria 滤过性细菌
- Hot weather multiplied the bacteria in the food rapidly. 炎热的天气使食品中的细菌迅速繁殖。
- A similar mass of fibers formed by certain bacteria. 由某种细菌形成的类似的一束纤维
- Put the coffee in the filter and let the water run through. 把咖啡倒入滤器里让水流过。
