lowering

例句：

1. 1.The temperature is lowering as the sun sets.
   随着太阳西落，气温正在下降。
2. 2.The volume of traffic has been lowering recently.
   最近交通流量一直在减少。
3. 3. The company's profits are slowly but surely lowering.
   公司的盈利正在缓慢但稳定地减少。