WORD BY WORD

filter

英/fˈɪltɐ/
美/ˈfɪɫtɝ/
01n.

滤波器, 过滤器, 滤光器, 过滤嘴, 去尘器

device that removes something from whatever passes through it; an electrical device that alters the frequency spectrum of signals passing through it

02v.

过滤, 渗透, 走漏

remove by passing through a filter

03v.

滤过, 渗入

remove by passing through a filter