1. Filter out all the dirt before using the water. 在用这水之前先将其中所有污物滤去。
2. Image filter adjustment buttons are placed to the left. 图像过滤调整按钮是被放置到左边。
3. The lining inside your abdomen (the peritoneum) becomes the filter. 你腹部内的膜（腹膜）成为过滤器。
英英解释
n.
1. device that removes something from whatever passes through it
2. an electrical device that alters the frequency spectrum of signals passing through it v.
1. remove by passing through a filter
2. pass through
3. run or flow slowly, as in drops or in an unsteady stream
