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
So would I.
我也是。
The houses downtown are very expensive.
市区的房子很贵。
It looks as if she's gone away for a few days.
好象她要外出好几天了。