Factorial sign
[计] 阶乘号
🧩 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
A thief has just robbed me. Can you send the police?
一个盗贼抢劫了我，你能替我报警吗？
I will be in between six and eight.
我6点至8点都在。
The man who had fixed up the air-line was also questioned.
安装供气管的那位工人也被提问。