Ocs
abbr. （美国）候补军官学校（Officer Candidate School）；超速控制系统；振荡彩色顺序
🗣️ 情景例句
Great! I'll make a reservation right now.
太好了， 我现在就订房间。
The farmer is hoeing the fields.
农民在耕地。
Millionaires don't buy things on instalments!
百万富翁是不会分期付款买东西的！