captcha是什么意思
时间:2026-06-01 06:32:20captcha 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
n.
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