Permittivity of vacuum
[化] 真空电容率; 真空介电常量
🧩 词语组成解析
n. 介电常数, 电容率\\n[化] 电容率; 介电常数
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
Please come in, Mr. Wilson.
请进，威尔逊先生。
Kinsman helps kinsman, but woe to him that hath nothing.
亲帮亲，邻帮邻，无亲无助你倒霉。
My grandpa died of hunger in the old days.
我爷爷在旧社会死于饥饿。