Security force
un. 〔军〕警戒部队；保安部队\\n
🧩 词语组成解析
force
[fɔ:s]
n. 力;武力;（社会）势力;魄力;
vt. 强迫;强行;促使，推动;强奸;
🗣️ 情景例句
What am I supposed to do?
我该做什么？，
We invited two guests to dinner,but they didn't come.
我们邀请了2个客人去吃晚饭，但是他们没来。
Thank you. I'll give her the message.
谢谢。我会把这个口信转告她的。