Lunar exploration regarded as a frivolous waste of money or time; an instance of this.
| 单词 | θ90273 |
| 释义 | the world > action or operation > harm or detriment > disadvantage > uselessness > uselessness, vanity, or futility > [noun] > a profitless undertaking > specific (1) moondoggle1962 Lunar exploration regarded as a frivolous waste of money or time; an instance of this. |
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