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
Yeah, that's the one thing I really enjoy.
是的，这是我唯一喜好的事情。
He will be too afraid to do anything.
他害怕得什么都不能做了。
She has been to school.
她上学去了。