Backward impedance
[计] 反向阻抗
🧩 词语组成解析
impedance
[im'pi:dəns]
n. 阻抗，全电阻;电阻抗;
🗣️ 情景例句
How did you get on in your exam?
你考得怎样？
Politeness costs nothing and gains everything.
礼貌不费分文而可赢得一切。
Traffic police are sometimes very polite.
交通警有时也很客气。