Oo
abbr. 面向对象程式设计（Object Oriented）；已订购而尚未交货的（on order）
🗣️ 情景例句
But we found nearly half on them were mouldy. We can't accept them anyway.
但是我们发现差不多一半发了霉。无论如何我们不能接受。
We have drapes for the living room,but we need kitchen curtains.
我们有客厅窗帘，但是我们需要厨房窗帘。
Our knowledge of the universe is growing all the time.
我们对宇宙的认识一真在增长。