filter [ˈfɪltə(r)]
 
 
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基本释义
n.滤器,过滤嘴;vt.过滤,透过;vi.滤过;渗入;慢慢传开
英英释义
any of several types of equipment or devices for removing solids from liquids or gases , or for removing particular types of light
参考例句
Foreign influence began to filter into the country. 外国势力开始渗透进这个国家。
Charcoal is used to filter water. 木炭是用来过滤水的。
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