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
Good night, Harry.
再见。
Better be the head of a dog than the tail of a lion.
宁为犬首，不作狮尾。
When you type a letter, the writing appears on a screen in front of you and is recorded onto a computer disk.
当你打一封信时，字迹出现在你前面的屏幕上并顾在电脑的磁盘里。