an image of what is shown on a the screen of a computer or mobile phone

Here's a screencap of the barcode. 这是条形码的屏幕截图。

If you can do a screen cap and show me what you see, it will help.

Synonym: screenshot

a still image from a film, TV show, or video

I want a screencap of the moment she realized it was Paul who saved her. 我想要一个当她意识到是保罗救了她那一刻的截图。

That scene sent me looking for a screen cap for my site before I even finished watching the episode.

to make an image of what is shown on a computer screen so it can be copied or saved

She deleted the comment immediately, but not before several hundred followers saw it, screencapped it, and spread it all over the internet. 她立即删除了这一评论，但在这之前，几百名关注者已经看到了它，将其截屏，并在互联网上传播。

Synonym: screenshot

to make a still image from a film, TV show, or video

A photo of the missing girl had been screencapped from a security video. 从保安视频中截出了一张失踪女孩的照片。