Factorial series
[计] 阶乘级数
🧩 词语组成解析
factorial
['fæktɔ:riəl]
adj. 因子的，阶乘的;
n. 阶乘积，阶乘;
🗣️ 情景例句
We had a summer house on Fire Island.
我们在火岛有一所避暑别墅。
Which one is more expensive?
哪一个是比较贵的？
She is a workaholic. She always regards work as the most important thing in the world.
她是个工作狂。她觉得工作是世上最重要的事。