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
My doctor advised me to give up smoking without delay.
医生劝我立即戒烟。
Yes, I got dressed and had breakfast.
是,我穿好衣服了并且吃了早餐。
its movement would be recorded in ink upon its surface.
纸的表面就会用墨水记录下地板运动的情况。