表的发条

例句：

1. 1. The clock has a very old mechanical clockwork that needs to be wound with a spring each day.
   这台钟有非常古老的机械钟表，每天需要用弹簧来上弦。
2. 2. The car's engine is spring-loaded so it can start right away without needing gas.
   汽车的引擎是弹簧加载的，所以它一启动就不需要加油了。
3. 3. The spider uses its spring to climb up the web and catch insects.
   蜘蛛利用它的弹簧爬过网去捕捉昆虫。