An instrument designed to enable a blind person to read, in which a photoelectric cell is used to scan a text and produce electric signals that…
| 单词 | θ196179 |
| 释义 | society > communication > reading > reader > [noun] > reading machine > which enables blind persons to read (1) optophone1913 An instrument designed to enable a blind person to read, in which a photoelectric cell is used to scan a text and produce electric signals that… |
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