String.word (n) Gets the NTH word of string "Now is the time".word (2) returns "is".

word (n)得到字符串的第n个单词“ Now is the time ” . word(2)返回“ is ”。

youdao

string.wordindex(n), string.wordlength(n) Gets the index or length of the nth word "Now is the time".wordindex(2)

wordindex(n), string.wordlength(n) 得到第 n 个单词的索引或长度 "Now is the time".wordindex(2) 返回 5

youdao

Starting from the first character he or she counts out N-1 characters (Spaces, punctuation marks etc. are considered to be characters too) and deletes the Nth character.

他从第一个字符起数n - 1个字符(空格，标点及其他标志也是字符)而且删除第n个的字符。

youdao

I'm accessing a list. How long does it take for me to get the nth element of a list?

我取得数组的第N个元素,需要多长时间呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Instead of summing them and dividing by M, I multiply them all together and take the nth root of them.

我把所有的乘在一起然后开n次方,而不是把他们加总再除以个数

耶鲁公开课 - 金融市场课程节选

If you start with only one, you have two pieces of DNA, then you'll get 2 to the Nth fragments after N cycles because each cycle you're doubling the number.

如果你从仅仅一个DNA开始,你有两条DNA链,经过N次循环后,就得到二的N次方个DNA片段,因为每次循环都使其数量翻倍

耶鲁公开课 - 生物医学工程探索课程节选