复制视频时会有一些清晰度损失。

There will be some loss of ___definition when you copy the video.

他们使用高清摄像机以获得更好的清晰度。

They used a high-definition camera for better ___definition.

音乐会在高清屏幕上播放，清晰度完美。

The concert was displayed on high-definition screens with perfect ___definition.