Freon

例句：

1. 1. The refrigerator uses Freon to cool the food.
   冰箱使用氟利昂来冷却食物。
2. 2. Freon is a harmful substance that can be dangerous if inhaled.
   氟利昂是一种有害的物质，如果吸入可能会很危险。
3. 3. The manufacturer of the new air conditioner has announced that it will use a safer alternative toFreon.
   新空调的制造商宣布将使用更安全的替代品来代替氟利昂。