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
Yeah. My new advanced exercise class.
对， 新的高级健身班。
I'm just kidding.
我指使闹着玩的。
Shops cater for the do-it-yourself craze not only by running special advisory services for novices, but by offering consumers bits and pieces which they can assemble at home.
为了满足自己动手热的需要，商店不仅为初学者提供专门的咨询服务，而且为顾客准备了各种零件，供他们买回家去安装。