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- 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。
- 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。
- You can clarify the water by adding a little alum. 你在水里加一点明矾就能使水净化。
- We usually clear the water with a filter. 我们通常用过滤器使水净化。
- filter alum 明矾滤层
- The current rectification is like a dose of alum. 这次整风，就是放一把明矾。
- Put the coffee in the filter and let the water run through. 把咖啡倒入滤器里让水流过。
- Add the alum slowly to the cup of hot water. 给这杯热水添加缓慢的明矾。
- 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。
- Can alum go blain? ? ? Can you harm the skin? 白矾能去痘么？？？会伤害皮肤么？
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- Containing or yielding aluminum, alumina, or alum. 含铝的；产铝的含有或出产铝、氧化铝或明矾的
- Of, relating to, or containing aluminum or alum. 铝的，矾土的铝或明矾的，与其有关的或包含其的
- Specially fit to welding the alum, alloy. 特别适用铝、铝合金的焊接。
- 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。
- Alum:White crystals, soluble in water. Used for sizing paper. 明矾：可溶于水的白色晶体。纸张施胶的材料。
- Drop a little alum into the water and you can see to the bottom. 一把明矾放下去，就看见了底。
