Composition of forces
[化] 力的合成
🧩 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
What does your father do?
你父亲从事什么职业？
I ate vegetable soup for lunch yesterday.
我昨天晚饭吃的是蔬菜汤。
found a brother who was thought to have been killed twenty years before.
巴斯曼如何找到了据信已在20年前死去的兄弟的事。