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
Remember catching your first fish?
还记得你第一次钓到鱼的情形吗？
How many workshops are there in your factory?
你们厂有多少车间？
The line's busy. I'll try again later.
电话占线，过一会我再打。