冬天时，我们会在车玻璃上喷除冰剂以防止结冰。

In winter, we spray ___de-icers on car windows to prevent ice formation.

冬天我总是在车里备一瓶除冰剂，以防车窗结冰。

I always keep a bottle of ___de-icers in my car during winter for icy windows.