Digital filters
[电] 数位过滤器
🧩 词语组成解析
n. 滤器, 滤波器；滤光片（filter的复数）
🗣️ 情景例句
He said they need a new book of photographs,
他说他公司需要一本新的摄影集，
John could not decide when to leave.
约翰无法决定几时要出发。
Yes, it was a very good match.
是啊，是场好球。