It's also important to note that Grayscale JPGs do not compress nearly as much as color ones do.

还要重点注意灰度图不能压缩得像彩图同样程度。

youdao

To create a simple roll-over, you can just use PNGs or JPGs, though that really isn't so interesting.

为了创建一个简单的翻滚按钮，可以使用 PNG 或 JPG，虽然这样做 并不是很有趣。

youdao

This utility allows you to easily create animation from image files (GIFs and JPGs) on your local drive.

这个实用程序允许您轻松地创建图像文件在本地驱动器（GIF和JPG图片）动画。

youdao

Their commitment to equality of swag also means that the digital copy of the Witcher 2 Extended Edition came with a folder full of JPGs from the Polish edition of Playboy magazine.

FORBES: CD Projekt Interviews: Digital Distribution. Oh, And Monks.