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
Please wait for me. I won't be long.
清等等我，就一会儿。
Is his suit of which color?
他的西装是什么颜色的？
Happy birthday! he said. Here's your present.
“生日快乐！”他说，“这是给你的礼物。”