单词 | optophone |
释义 | optophone/ˈäptəˌfōn /noun An instrument that scans printed characters and converts them into sound, thus enabling blind people to read by ear.The optophone is not an echo-locator; it is a device that converts images from a camera into audible sounds. OriginEarly 20th century: from Greek optos 'seen' + -phone. |
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