Eulerian number
[计] 欧拉数
🧩 词语组成解析
a. 欧拉的
🗣️ 情景例句
Three things?
三件事？
I bought 5 yard of ribbon.
我买了五码缎带。
People woken during these periods of eye-movements generally reported that they had been dreaming.
在眼球活动期间被叫醒的人都说自己在做梦；