Dielectric constant of vacuum
[化] 真空介电常量
🧩 词语组成解析
n. 电介质, 绝缘体\\na. 非传导性的
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Friends, teachers....
朋友 老师……
To speak to the public
向公众呼吁
the gaoler replied: 'The light is indeed dim, sire, I must get my glasses.'
“陛下，这儿光线的确太暗了，我得去眼镜拿来。”