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
Hey, don't try to rip me off. I know what this is worth.
别想宰我，我识货。
It is not polite to eavesdrop on the conversation of other people.
偷听他人说话是很不礼貌的。
Hello, Mr. Ball. Do come in.
你好，鲍尔先生。请进来。