filter
/ˈfɪltɚ/
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n./v. 過濾器；濾網；過濾
- Wetland plants act as a natural filter, removing dirt from the water before it reaches the sea. 濕地植物就像天然的過濾器，在水流入海之前把髒汙濾掉。
其他意思
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n. 過濾器, 濾波器
A filter is a device through which a substance is passed when it is being filtered.
- a paper coffee filter.
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v. 過濾
To filter a substance means to pass it through a device which is designed to remove certain particles contained in it.
- The best prevention for cholera is to boil or filter water, and eat only well-cooked food.
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