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
Stretch up...and we're going to go left first ...
伸展……先向左……
Mr. Wang is not in now.
王先生现在不在此地。
We had expected much lower prices.
我们希望报价再低一些。