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
I suggest that you tear up the letter and start over again.
我建议你把信撕掉重新再写。
Straightforward communication is usually more appreciated.
坦率地交流常常更值得推崇。
Take me to the airport，please.
请送我去机场。