This function accepts a string as an argument (the original value of the field), and returns a masked version of the value.

这个函数接受一个字符串参数（该域的原始值），并返回该值的一个屏蔽版本。

youdao

The guid field value in the original RSS feed is the path to the MP3 file.

原始rss提要的guid字段的值是MP3文件的路径。

youdao

The new collabform.html page will contain a form that is a field-by-field copy of the original form on the original claimform.html page.

新的 collabform.html 页面将包含一个表单，它是原始 claimform.html 页面上的原始表单副本，包含其中的每个域。

youdao

Instead, he includes samples of original field recordings, looped over layers and layers of ambient sound and gentle instrumentation.

NPR: East Forest: 'Pacific Coast Highway'

If the ions are fast enough, this reverse field overcomes the original one, folding it back on itself and forcing the ions to return the way they came.

ECONOMIST: How to get an energy rush without doughnuts

But despite being unlike other Parisian bars, it has been the center of the city's cocktail culture since it reopened in 1994 after a near decadelong hiatus, thanks to Mr. Field's original drinks.

WSJ: Au Revoir, Hemingway Bar