F0l syetem
[计] 带有限公理集的林氏无关系统
🗣️ 情景例句
He started with them almost forty years ago.
他在那里做了快四十年了。
No one can call back yesterday.
往日不复返。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”