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
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
We shall never have friends if we expect to find them without fault.
指望朋友无缺点，永远休想交朋友。
You work for the Overseas Engineering Company, don't you?
你在海外工程公司上班，是吗？