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
do you need any help?
需要帮忙吗？
How's your cousin?
你的姐妹好吗？
The plane was late and detectives were waiting at the airport all morning.
飞机误点了，侦探们在机场等了整整一上午。