弹簧秤

例句：

1. 1. The spring in the air is a sign of spring.
   空气中的弹簧预示着春天的到来。
2. 2. He used to play with his spring toys all day long.
   他以前整天都和他那些弹簧玩具一起玩。
3. 3. The weight of the spring was too much for her to lift.
   这个弹簧的重量太重，她举不起来。