Males stand and protect the egg by balancing them on their feet and covering them with feathered skin known as a brood pouch.
雄性站在那里保护这个卵，用双脚保持它的平衡，并用被称为育儿袋的有羽毛的皮肤覆盖着它。
2
An older egg will stand up on one end and if the eggs are REALLY old, they may even float.
不新鲜的鸡蛋将竖立起来，如果鸡蛋确实很不新鲜，它们甚至可以浮动。
3
Filippo then issued a challenge, saying that the commission to build the dome should be given to the man who could make an eggstand on end, as that man would have the skills required for the job.