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
Mitchell has always encouraged new talent. Mitchell
总是在鼓励新人。
You're wanted on the telephone.
你有电话。
I was very glad when the boys won the relay race.
我非常高兴，男同学在接力赛中获胜。