Roof filter
[电] 修平滤波器
🧩 词语组成解析
roof
[ruf]
n. 屋顶，房屋;最高部，顶部;最高限度;口腔顶部;
vt. 给…盖顶;覆盖;保护，庇护;
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
My mother is terrific at any kind of sewing.
我母亲做任何针线活都棒极了。
I strongly recommend this product.
我强力推荐这种产品。
As complaints must be made in writing, the Ombudsman receives an average of 1,200 letters a year.
由于意见均需用书面形式提出，司法特派员每年平均收到1，200封信。