The call to map walks through each value, aliases it to v: val, evaluates the expression in the string, and replaces the value with the result of that expression.

调用map可以遍历各个值，将其作为别名赋给v： val，在字符串中计算表达式，并用表达式结果替换值。

youdao

Everything from parsing the interpreter command line arguments (things like rubinius -d -v, which turn on debugging and warnings) to all the methods on String.

所有解释器都可以解析命令行参数字符串(就像rubinius - d - v这样开启调试和警告信息)。

youdao

The word of string course V tiny low waist designs to raise high feeling.

腰线V字微低腰设计，以增加修长感。

youdao

5 So similarly would there be the number 65 next to this then the corresponding number for V-I-D and then there's generally a special character at the end that looks like a zero that says end of string here.

同样，A就是,接着再填上V-I-D对应的ASCII码,在最后还有添上一个特殊的字符,有点像0，代表这是该字符串结束。

哈佛公开课 - 计算机科学课程节选

D-A-V-I-D So when you get a string like D-A-V-I-D, what's really happening is inside your computer's RAM is going a byte where there's some zeros and ones.

譬如你有这么一个字符串，而在你电脑的RAM里将会变成,一个个由0和1组成的字节。

哈佛公开课 - 计算机科学课程节选

So Arg V bracket I, gives me the Ife string that I typed in.

那么Argv，把我刚键入的字符串Ife传给我。

哈佛公开课 - 计算机科学课程节选