Filter crystal
[电] 晶体滤波器
🧩 词语组成解析
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
It's nothing.
这没什么。
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
The dogs have greater freedom, too, for they are allowed to wander outside their enclosure.
狗也比较自由，被放出围栏，四处遛达。