Conservation of momentum
[化] 动量守恒
🧩 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
The change is yours.
找回的钱给你。
We should keep them informed of what is going on here.
我们应该让他们知道这里发生的事情。[分词作定语]
I joined in the march and we were marching peacefully along and then the police came up.
我参加了游行，我们以和平的方式往前行进，这时警察突然来了。