rewinder
🇺🇸
/ri'waɪndə/
🇬🇧
/ri:'waɪndə/
noun
R
A gadget for rolling something back to where it started, like film or tape.
The photographer used a rewinder to go over the old photos.
摄影师使用倒带器来回顾旧照片。
R
Someone who changes their mind or goes back on what they said.
He's a rewinder; he promised to help but then changed his mind.
他是个出尔反尔的人；他承诺会帮忙，但后来改变了主意。
translation
倒带器, 出尔反尔的人