Stepped attenuator
[电] 梯级衰减器
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
n. 衰减器\\n[化] 衰减器; 弱化子
🗣️ 情景例句
We enjoyed our trip to Europe.
这次到欧洲旅行，我们非常愉快。
A wilful man will have his way.
有志者是竟成。
I have known very few writers, but those I have known,
我所认识的作家寥寥无几，然而凡是我所认识