Dielectric
n. 电介质, 绝缘体\\na. 非传导性的
🏥 医学释义
不导电的，介电的，绝缘的
🗣️ 情景例句
Nothing's as refreshing as ice water on hot day!
在大热天没有什么像冰水那样提神。
That's a book.
那是一本书。
What did Wang Wei write about in her letter?
王伟在信里写了什么？