flip-flop
英 [ˈflɪp.flɒp]
美 [ˈflɪp.flɑːp]
- n. [电子] 触发器；啪嗒啪嗒的响声；向后翻的筋斗
- vt. 使翻转；使突然转变
- vi. 作后手翻；突然改变；啪嗒啪嗒地动
- adj. 后手翻的；突然改变的
- adv. 啪嗒啪嗒响着
记忆方法
1. also flip flop, "thong sandal," by 1972, imitative of the sound of walking in them (flip-flap had been used in various echoic senses, mostly echoic, since 1520s); sense of "complete reversal of direction" dates from 1900.
2. 受flip的影响，由此含有突然、快速翻转、翻动之意，以及由此的引申义。
3. 其双稳态电路、触发器之意是受模拟的“啪嗒啪嗒”声中，稳定、重复的啪和嗒两种的声音而引申来的。
4. flip-flop本身就是两个单词合在一起，模拟两种状态、两种声音的。
2. 受flip的影响，由此含有突然、快速翻转、翻动之意，以及由此的引申义。
3. 其双稳态电路、触发器之意是受模拟的“啪嗒啪嗒”声中，稳定、重复的啪和嗒两种的声音而引申来的。
4. flip-flop本身就是两个单词合在一起，模拟两种状态、两种声音的。
英语词源
- flip-flop (n.)
- also flip flop, "plastic thong beach sandal," by 1970, imitative of the sound of walking in them. Flip-flap had been used in various senses, mostly echoic or imitative of a kind of loose flapping movement, since 1520s:
Flip-flaps, a peculiar rollicking dance indulged in by costermongers, better described as the double shuffle; originally a kind of somersault. [Hotten's Slang Dictionary, 1864]
Flip-flop in the general sense of "complete reversal of direction" dates from 1900; it began to be used in electronics in the 1930s in reference to switching circuits that alternate between two states. As a verb by 1897. Flop (n.) in the sense "a turn-round, especially in politics" is from 1880.
权威例句
- 1. The tone of the book is sometimes too flip.
- 这本书的笔调有些时候太不严肃了。
- 2. The trade deficit is the flip side of a rapidly expanding economy.
- 贸易赤字是经济快速发展带来的负面产物。
- 3. He didn't flip on the headlights until he was two blocks away.
- 他开出两个街区后才打开车头灯。
- 4. The President's flip-flops on taxes made him appear indecisive.
- 总统在税收问题上的一再反复使他显得优柔寡断。
- 5. He has been criticized for flip-flopping on several key issues.
- 他因为在几个关键问题上临场变卦而备受批评。
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