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
Helped him?
帮助他？
Nothing so bad, as not to be good for something.
塞翁失马，安知非福。
Nothing can be compared, he maintains, with the first cockcrow, the twittering of birds at dawn, the sight of the rising sun glinting on the trees and pastures.
他坚持认为，凌晨雄鸡第一声啼叫，黎明时分小鸟吱喳欢叫，冉冉升起的朝阳染红树木、牧场，此番美景无与伦比。