Eulerian
a. 欧拉的
🗣️ 情景例句
(looking at his calendar) Oh, next Friday is May 4th.
（正在看着日历）哦，下周五是五月四号了。
He has a letter.
他有一封信。
They had a single aim, a solitary goal -- the top!
他们只有一个目标，唯一的目标 -- 顶峰！