提示：点击例句中的单词，就可以看到词义解释

Using the air conditioner or defroster may reduce fuel economy .

使用空调或除霜会降低燃油经济性。

Hdac heater , defroster , air conditioning .

加热器，除霜器及空调总成。

If you want a rear defroster ( which is really handy ) make sure it has one and is operational , don 't just assume that model has one .

如果你想要后方除雾器(真是好用)之一,是它使业务、不只是一个假设模型.

You do not have to defrost this refrigerator because it is equipped with an automatic defroster .

你不必替这个冰箱除霜，因为它配有自动除霜器。