Factorial function
[计] 阶乘函数
🧩 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
Hi, how are you doing?
你还好吗？
He always keeps his words.
他总是信守诺言。
Things were clear now.
事情现在清楚了。