Factorial series
[计] 阶乘级数
🧩 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
and this is an important decision we have to make.
这又是我们必须做的一个重大决定。
An inch in a miss is as good as an ell.
错无分大小，有错皆不好。
I'd like to pick sea shells this afternoon.
今天下午我想去捡贝壳。