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've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
A good medicine tastes bitter.
良药苦口，忠言逆耳。
I realized that they would be very worried, but that they would trust our good sense, wherever we were.
我想他们会很担心，但是无论我们在什么地方，他们都会相信我们的处事能力。