Koch resistance
[机] 科克电阻
🧩 词语组成解析
n. 科赫（人名）
🗣️ 情景例句
but he has to work today,
但他今天工作忙，
Do you have your driver's license?
你有驾驶执照吗？
Certainly, Mum! What shall we cook?
当然啦，妈！ 我们做什么菜？