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
I'd like you to meet the group.
我希望你能与协会的成员见面。
Not getting the job was a terrible disap-pointment.
得不到那份工作，叫人失望极了。
No, I think it's open. Look!
不，我想开着呢！你看。