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
My mother has a touch of the flu.
我妈得流感了。
He ate it in no time.
他一下子把它吃掉了。
Maybe we had better do that.
看来就这么办吧。