Step attenuator
[电] 步级衰减器
🧩 词语组成解析
step
[stɛp]
n. 步，脚步;步骤，手段;步调;级别;
vt.& vi. 举步，行走;踩，踏上;跨入;轻快地走;
vi. 踏，踩;走;
vt. 跳舞;迈步;使成阶梯状;
n. 衰减器\\n[化] 衰减器; 弱化子
🗣️ 情景例句
This is a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
He must needs go whom the devil drives.
势在必行。
Which speech are you going to?
你打算去听哪个报告呢？