Olc
abbr. on-line computer 联机计算机，在线电脑
🗣️ 情景例句
The times have been very bad.
时机一直很坏。
When did you know the answer?
你什么时候知道答案？
He was in car number fifteen.Five other cars were just behind him.
他在第15号车里，其他5辆汽车跟在他后面。