急!急!急!為什麼從雪櫃拿出來的氣水表面會有小水點?

因為剛從雪櫃拿出來的汽水罐表面溫度比室溫低,
由於空氣中的水份接觸到很冷的表面,
於是凝成小水點於表面上.

because the temp outside is hotter than inside the object that was put in the firdge before, water molecules will then condense outside