Equilibrium of forces
[化] 力的平衡
🧩 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];
n. 势力；兵力；武装力量（force的复数形式）
🗣️ 情景例句
No problem. I'm glad to help.
小事情，我很高兴这样做。
Measure for measure.
以牙还牙。
While we were having breakfast, our little boy, Tommy, found two small coins on the floor.
正当我们吃早饭时，我们的小男孩汤米在地上找到两枚小硬币。