Eulerian number
[计] 欧拉数
🧩 词语组成解析
a. 欧拉的
🗣️ 情景例句
I need the bank to finance something.
我需要银行提供某件东西的贷款。
Have but few friends though many acquaintances.
朋友要少，熟人要多。
But for the English examination, I would have gone to the concert last Sunday.
上个星期天，要不是有英语考试， 我就去听音乐会了。