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
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可怜的小宝贝。
would you mind if I borrowed your car?
我想借用一下你的汽车可以吗？
None of us is afraid of difficulties.
我们当中没有一个人害怕困难。