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
and reading to them.
为他们朗读。
I can't afford it.
我买不起。
Waves are the children of the struggle between ocean and atmosphere.
海浪是大海和空气相斗的产物。