n.潜鸟,<口>狂人
That guy's a real loon.
那个人是个真正的疯子。
Why are loon hatchlings in Wisconsin emerging deformed from their eggs?
为什么维斯康新州的潜鸟幼儿从它们蛋中孵化就是畸形?
To van Loon, human achievement mattered above all things.
对房龙来说, 人类的成就比一切都重要.