The first thing it hits is the cornea, which is the clear cover layer of the eye.

它首先击中的是角膜，角膜是眼睛清晰的覆盖层。

Now fire up your hair dryer on high and blast the shoe until the wax melts into the fabric forming a clear layer of water protection.

现在将吹风机开到最高温，猛吹鞋子，直到蜡融化在布料上，形成一层透明防水层。