filter
英 [ˈfɪl.tər]
美 [ˈfɪl.t̬ɚ]
- vi. 滤过；渗入；慢慢传开
- n. 滤波器；[化工] 过滤器；筛选；滤光器
- vt. 过滤；渗透；用过滤法除去
- n. (Filter)人名；(德)菲尔特
使用频率:
记忆方法
将“filter”分解为“fil-ter”。联想记忆：想象一双手（fil）过滤（ter）水，通过手（fil）的过滤（ter），将杂质去除。这样可以帮助你记住单词“filter”的意思是过滤器或过滤。
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中文词源
filter 过滤器
来自felt, 毛毡。用于过滤污物。
英语词源
- filter
-
filter: [14] Ultimately, filter is the same word as felt – and indeed that is what it first meant in English (‘They dwell all in tents made of black filter’, John Mandeville, Travels 1400). It comes via Old French filtre from medieval Latin filtrum, which was borrowed from prehistoric West Germanic *filtiz, source of English felt. The modern sense of filter did not develop until the 17th century; it came from the use of felt for removing impurities from liquid. The derivative infiltrate dates from the 18th century. (The homophonic philtre [16] is not related; it comes ultimately from Greek phílos ‘beloved’.)
=> felt, infiltrate - filter (n.)
- early 15c., "piece of felt through which liquid is strained," from Old French feutre "felt, felt hat, carpet" (Modern French filtre) and directly from Medieval Latin filtrum "felt" (used to strain impurities from liquid), from West Germanic *filtiz (see felt (n.)). Figurative use from c. 1600. As a pad of absorbent material attached to a cigarette, from 1908.
- filter (v.)
- 1570s (transitive), from French filtrer or from Medieval Latin filtrare, from filtrum "felt" (see filter (n.)). The figurative sense is from 1830. Intransitive use from 1798. Related: Filtered; filtering.
权威例句
- 1. Children should have glasses which filter out UV rays.
- 儿童应该戴上滤除紫外线的眼镜。
- 2. She gathered loose soil and let it filter slowly through her fingers.
- 她捧起疏松的泥土，任其缓缓地从指间漏下。
- 3. Change the filter cartridge as often as instructed by the manufacturer.
- 按照生产厂家的使用说明，经常更换过滤筒。
- 4. This congealed muck was interfering with the filter.
- 这团凝固的污物堵塞了过滤器。
- 5. She slotted in a fresh filter.
- 她放进了一张新的滤纸。
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