Dielectrics
(dielectric 的复数) n. 电介质, 绝缘体\\na. 非传导性的
🗣️ 情景例句
Six months ago.
六个月以前。
Experience must be bought.
若要得经验，必须化代价。
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。