Oo
abbr. 面向對象程式設計（Object Oriented）；已訂購而尚未交貨的（on order）
??? 情景例句
OK. I'll do as you say.
好的，照辦。
I was crossing the street and was almost hit by a car.
我穿過街時差一點被一輛汽車撞了。
It is.
是的。