🧩 词语组成解析
[医] 单位
n. 势力；兵力；武装力量（force的复数形式）
🗣️ 情景例句
He made an impressive speech.
他发表了一篇感人的演讲。
Do you think there is something wrong with the contract?
你认为合同有问题吗？
I have a letter of introduction here.
我这儿有一封介绍信。