Conservation of energy
能量守恒\\n[化] 能量守恒
🧩 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
it's a good picture.
那是一张好照片。
I'm the luckiest person in my class.
我是我的班级中最幸运的人。
a lorry arrived at the factory with a truly colossal biscuit which weighed 2,400 pounds.
一辆卡车驶进了工厂，运来了一个特大无比、重达2，400磅的饼干。