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
Well, that's just what I'm going to say.
这正是我需要说明的。
The doctor said it's just a mosquito bite, There's nothing to worry about.
医生说只是被蚊子咬了一口，不需要担心。
Can we buy it on instalments?
我们可以用分期付款的方式购买吗？