lowering of track

例句：

1. 1. The temperature is lowering as the sun sets.
   随着太阳落山，温度正在降低。
2. 2. The economy is experiencing a period of lowering growth rates.
   经济正在经历一个增长率下降的时期。
3. 3.The stock market has been on a downward trend lately.
   最近股市一直在下跌。