Kleene hierarchy
[计] 克林分层
🧩 词语组成解析
[计] 克林
🗣️ 情景例句
I'll get through this work by noon.
我会在中午以前完成这项工作。
I don't remember where I was then.
我不记得那时我在哪里。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。