defroster for vehicle

例句：

1. 1. The car's heater defrost is very effective in removing frost from the windshield.
   这辆车的加热除霜器在去除挡风玻璃上的霜非常有效。
2. 2. During winter, it's important to have a defrost system in place to prevent icebuildup on the car's exterior.
   在冬季，重要的是要有除霜系统来防止汽车外部结冰。
3. 3.The car's defrost system has been improved to make it easier for drivers to remove snow and ice from their vehicles.
   汽车的除霜系统已经改进，使司机更容易从他们的车辆上清除雪和冰。