Klein bottle
[数] 克莱因瓶
🧩 词语组成解析
n. 克莱因（男子名）
🗣️ 情景例句
Let's lake this one step at a time.
做这事我们要一步一步来。
I woke up early and got up at 6 o'clock.
我早醒来并且在6点钟起床了。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。