时间: 2025-04-25 15:48:43
美: ['fɪltɚ]
英: ['fɪltə]
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
最后更新时间:2025-04-25 15:48:43
词源分析:Filter源自拉丁文“filtrare”,意思是“过滤”,由词根“fil-”意为“纤维”或“线”构成,后加上动词后缀“-tare”。
历史背景:该词首次记载于15世纪,常用于描述水或空气的清洁过程。
课本:在**的英语教材中,filter通常出现在初中及高中阶段的科学或日常对话相关单元中。在牛津和美国的教材中,通常在高中生物、化学或环境科学的课程中出现。
正式与非正式语境:
特殊场合:在法律领域中,filter可以用来描述信息筛选的过程,例如“数据过滤以保护隐私”。在计算机科学中,filter常用于描述数据处理的算法。
这种多维度的分析方式有助于深入理解和记忆“filter”这个单词。
[V-T] To filter a substance means to pass it through a device which is designed to remove certain particles contained in it. 过滤
例:The best prevention for cholera is to boil or filter water, and eat only well-cooked food.预防霍乱最好的方法是把水煮沸或过滤,并且只吃煮熟的食物。
[V-I] If light or sound filters into a place, it comes in weakly or slowly, either through a partly covered opening, or from a long distance away. (光、声) 透入
例:Light filtered into my kitchen through the soft, green shade of the honey locust tree.光线透过皂荚树柔和的绿荫照进了我的厨房。
[V-I] When news or information filters through to people, it gradually reaches them. (新闻、信息等) 逐渐传开
例:It took months before the findings began to filter through to the politicians.几个月后调查结果才开始逐渐传到政治家们那里。
例:News of the attack quickly filtered through the college.袭击的消息很快就在这所大学传开了。
[N-COUNT] A filter is a device through which a substance is passed when it is being filtered. 过滤器
例:...a paper coffee filter.…一张咖啡滤纸。
[N-COUNT] A filter is a device through which sound or light is passed and which blocks or reduces particular sound or light frequencies. 滤声器; 滤光器
例:You might use a yellow filter to improve the clarity of a hazy horizon.你可以用一个黄色滤光器来提高模糊的地平线的清晰度。