名詞 flip-flop:

1. a decision to reverse an earlier decision
   同義詞：reversal, change of mind, turnabout, turnaround
2. a backless sandal held to the foot by a thong between the big toe and the second toe
   同義詞：thong
3. an electronic circuit that can assume either of two stable states
4. a backward somersault

動詞 flip-flop:

1. reverse (a direction, attitude, or course of action)
   同義詞：interchange, tack, switch, alternate, flip

flip-flop

n.（名詞）
The movement or sound of repeated flapping.
啪嗒啪嗒的動作，吧嗒吧嗒聲：反復(fù)拍擊的動作或聲音
A backward somersault or handspring.
后翻斤斗：向后翻的筋斗或后手翻
Informal A reversal, as of a stand or position:
【非正式用語】 逆轉(zhuǎn)：立場或位置的變更：
例句：
a foreign policy flip-flop.
外交政策的轉(zhuǎn)向

A backless, often foam rubber sandal held to the foot at the big toe by means of a thong.
扣拇指膠底涼鞋：一種在大腳趾處用一根帶子固定在腳上的無背的、通常用泡沫橡膠制成的涼鞋
Electronics An electronic circuit or mechanical device capable of assuming either of two stable states, especially a computer circuit used to store a single bit of information.
【電子學(xué)】 觸發(fā)器，雙穩(wěn)態(tài)多諧振蕩器：一種能采用兩種穩(wěn)定狀態(tài)中任一種的電子電路或機(jī)械裝置，尤指用于儲存單個信息單位的計算機(jī)電路

【引伸】
flip.-flop.
v.（動詞）