| 词汇 | dumb down |
| 词源 | dumb down. Though it has become more popular recently, the verb dumb down dates back to the early 1930s, when it was used to describe radio or motion picture scripts that are oversimpli- fied, dumbed down so that they will be understood by a large number of listeners. Today the practice and the word isn’t applied only to radio, covering everything from textbooks to television. |
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