The additional options include the choice of wide (16:9) or full-screen (4:3) viewing,sound tracks in different languages and captioned viewing.是什么意思_The additional options include the choice of wide (16:9) or full-screen (4:3) viewing,sound tracks in different languages and captioned viewing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句