Klein bottle
[数] 克莱因瓶
🧩 词语组成解析
n. 克莱因（男子名）
🗣️ 情景例句
The way to learn a language is to practice speaking it as often as possible.
学习一门语言的方法就是要尽量多地操练说出它来。
They are so busy these days, that they don't even have time for their friends.
他们最近忙得没法和朋友见面。
Yes, we are. Very much.
是的，我们喜欢。非常喜欢。