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
No, you needn't do that.
不行呀，你不必这样。
Hard to say.
很难说。
The next morning, he found that the doors had been blocked by chairs and the furniture had been moved.
第二天早上，他发现酒吧间的门被椅子堵上了，家具也被挪动过。