Conservation of electricity
[电] 电量守恒
🧩 词语组成解析
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'm quite active and energetic.
我积极而充满活力。
I spent 12 dollars.
我用了十二块钱。
I thought you wanted to visit your friends.
我原以为你要去拜访朋友。