A: It's so hot! Let's go swimming now! B: We have to wait a while before swimming. A: But why? The sun is so hot! B: It's bad to swim after you just ate. A: Why? Will you sink in the water? B: No. The motion and sudden cold will make you sick. A: What kind of sick? B: It can make you nauseated, and you might throw up. A: How long do we have to wait? B: Only about half an hour. A: Half an hour?! I'll bake in the sun! B: It's better than throwing up your lunch!
