Dielectric flux density
[电] 电介通量密度
🧩 词语组成解析
n. 电介质, 绝缘体\\na. 非传导性的
🗣️ 情景例句
I guess they must have inspected only part of the goods, but not the whole.
我猜想，他们检查的只是部分货物，而不是全部。
He who makes constant complaint gets little compassion.
经常诉苦抱怨，难以博得同情。
What is it?
什么困难。