The wordwrap() function wraps a string into new lines when it reaches a specific length.

符串按符个数换行。

The IMPOWER(string) returns a complex number raised to a power.

IMPOWER(符串;数值) 函数返回复数的幂。

A string which opaquely encodes various aspects about a machine's operating system, hardware, and kernel attributes.

符串，对机器的操作系统，硬件，和内核属进行隐意编码。

The HTML string is different from the traditional selectors in that it creates the DOM elements representing that HTML string, on the fly, to be (assumedly) inserted into the document later.

这个HTML符串同于用来表示那些HTML符串、并据以查询相应DOM元素的选择符，一般而言，随后都会把这个HTML代码串插入到文档中去。