Olu
abbr. Columbus; Nebraska 美國; optical logic unit 光邏輯單元; outgoing line unit 引出線部件
??? 情景例句
This has been a hard course for me.
這門課對于我來說很難。
Oh, no! I've missed my plane.
糟糕，我錯過了我訂的航班。
What colour is it?
什么顏色的？