Four to three is the ratio of width to height in a traditional TV set. The newer high definition TV sets have a 16:9 ratio. That makes them much more rectangular.是什么意思_Four to three is the ratio of width to height in a traditional TV set. The newer high definition TV sets have a 16:9 ratio. That makes them much more rectangular.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句