blur

雨滴模糊了窗外的景色

Raindrops ___blur the view outside the window.

科技的发展使得现实与虚拟世界的界限越来越模糊。

The advancement of technology makes the line between reality and the virtual world ___blur.

长时间盯着屏幕会让你的视线变得模糊。

Staring at the screen for too long can ___blur your vision.