the product of all the positive integers from one up to and including a given integer. Factorial zero is assigned the value of one: factorial four is 1 × 2 × 3 × 4. Symbol: 阶乘
adjective [原级]因子的,阶乘的
Now, let's return to the factorial function. 现在,让我们回到阶乘函数上来。
noun [专属名词][数] 阶乘
Now, invoke the next factorial. 现在,调用下一个factorial。
factorial
“ -al” ⌜ 表示具有某种性质的 - indicating pertaining to or characterized by ~ ⌟