Graded filter
[电] 层级滤波器
🧩 词语组成解析
a. 分等级的；按年级分的
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
can be picked up at the Riverdale Press offices.
可以到Riverdale Press各办事处索取。
But after one week and I still hadn't made a single sale, my heart was in my boots.
但过了一星期还没有做成一笔生意，我感到十分焦急。
Thank you, sir.
谢谢您，先生。