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
You should save some money in case of urgent need.
你应该存点钱以备不时之需。
Her rudeness went too far.
她太粗鲁了。
Why did you give us two T-shirts, both the same colour?
“为什么你给我俩买的T恤衫颜色都一样？”