Acoustical filter
[电] 滤声器
🧩 词语组成解析
a. 听觉的, 声学的
filter
['fɪltɚ]
n. 滤波器;滤光器;滤色镜;[化] 过滤器;
vi. 过滤;透过;渗透;
vt. 过滤;滤除;
🗣️ 情景例句
Homemade buttermilk biscuits.
自家的酸奶饼。
Have you washed anything?
你洗东西吗？
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。