captcha是什么意思

时间：2026-06-01 06:32:20

单词 captcha

音标英 ['kæptʃə] 美 ['kæptʃə]

释义 n. 验证码

captcha 常用

双语例句

(1)The most popular such method is CAPTCHA.

最常见的一种方法是 CAPTCHA。

(2)Figure 3 is an example of a CAPTCHA image.

图 3 是 CAPTCHA 图像的一个例子。

(3)Are some CAPTCHA devices better than others?

是否有些CAPTCHA设备比其他设备更好？

(4)I want users to have to fill in a captcha to comment.

我希望用户必须要回答captcha才能写注释。

(5)The image is then presented as a CAPTCHA in the usual way.

然后这个图片以常规方式显示为验证码。

captcha 牛津

释义

a computer program or system intended to distinguish human from machine input, typically as a way of thwarting spam and automated extraction of data from websites

（计算机的）验证码。

词源

"early 21st cent.： acronym from Completely Automated Public Turing test to tell Computers and Humans Apart."

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