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
Are we too late for our dinner reservation?
我们会不会错过晚餐订位时间
To have a nice dream
做了个好梦
You said it.
你算说对了。