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
you need to work at it, Grandpa.
你得常练它， 爷爷。
One man makes a chair and another man sits in it.
坐享其成。
'Don't interrupt,' he said.
“不要打断我的话，”他说。