Conservation of charge
电荷守恒
🧩 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
Thank you again.
再次感谢。
Have you heard from Marry?
你收到玛丽的来信吗？
His patrols halted the raiding parties: hunger assailed the Danish army.
他派出巡逻队阻止敌人抢劫，因而饥饿威胁着丹麦军队。