any of various mechanical devices for presenting instructional material, esp one that gives the user the opportunity to answer questions on the material, assess the responses, and so gives an indication of progress
| 单词 | teaching machine |
| 释义 | teaching machinenounany of various mechanical devices for presenting instructional material, esp one that gives the user the opportunity to answer questions on the material, assess the responses, and so gives an indication of progress |
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