“上紧”的英语可以翻译为：tighten(ing) ...

我给表上紧发条，听着它嘀嗒作响。I wound up the watch and listened to it tick.手表停了还是手表,还能重新上紧发条.A run - down watch is still a watch and can be rewound.时钟不走了,上紧了的发条内所储存的能量到哪里去了?What happens to the energy stored in a wound clockspring when...