translation.en: Well, those of you who have ever seen or touched snow, you know that it's really light, because it's just a bunch of tiny ice crystals clumped together, and it's mostly air.
translation.zh: 你们中有些人摸过雪。 雪非常轻。 因为它是由冰晶体多半还是气态的时候凝集而成。