| 单词 | invention | 
| 释义 | inventioninvention /ɪnˈvɛnʃən/ ●●● W3 noun 1[countable] social studies a useful machine, tool, instrument, etc. that has been invented:  The dishwasher is a wonderful invention.2[uncountable] social studies the act of inventing something: invention of the invention of the wheel3[countable, uncountable] a story, explanation, etc. that is not true:  The stories of her involvement in the crime are pure invention.4[uncountable] the ability to think of new and smart ideas:  Michelangelo had a genius for invention.  | 
	
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