translation.en: So if I put this inside this water here, you can see a silver reflective coating around it, and that silver reflective coating is the layer of air that's protecting the water from touching the paddle, and it's dry.
translation.zh: 如果我把这个桨放在水里， 大家会看到它上面的银色反光涂层 这层银色的反光涂层 就是防止水 弄湿桨的空气层。看，还是干的！