Every set-top box features high definition TV (HDTV), which provides up to twice the color resolution and up to six times the sharpness of standard TV when connected to an HD-capable TV.是什么意思_Every set-top box features high definition TV (HDTV), which provides up to twice the color resolution and up to six times the sharpness of standard TV when connected to an HD-capable TV.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句