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
They'll be here soon, and then we'll eat.
他们马上就到。他们一到就开饭。
Every cock crows on its own dunghill.
夜郎自大。
You may have heard of Birth Control.
你们也许听说过控制人口出生的措施。