Factorial operator
[计] 阶乘运算符
🧩 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
Going fishing?
要去钓鱼？
To walk in a high wind
在强风中行走
The railway station was big, black and dark.
火车站很大，又黑又暗。