| 单词 | flip-flop | 
| 释义 | Word Frequency flip-flopnoun 1.  a backward handspring  2.  Also called: bistable an electronic device or circuit that can assume either of two stable states by the application of a suitable pulse  3.  informal a complete change of opinion, policy, etc 4.  a repeated flapping or banging noise  5.  Also called (US, Canadian, Austral, and NZ): thong a rubber-soled sandal attached to the foot by a thong between the big toe and the next toe verbWord forms: -flops, -flopping or -flopped (intransitive) 6.  informal to make a complete change of opinion, policy, etc 7.  to move with repeated flaps adverb 8.  with repeated flappings  to go flip-flop Word origin C16: reduplication of flip | 
	
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