Let us look well at a hen's egg.

让我们仔细观察一下鸡蛋。

And one of my jobs was to help collect the hens' eggs.

我做的事情之一就是帮助收集鸡蛋。

Suddenly, he saw, among the sweepings in a corner, something round and white that looked very much like a hen's egg.

正在这时候，他看到一堆垃圾里好像有一样东西，圆滚滚的、白花花的，完全像个鸡蛋。

The Bird that can't swim One day, a farmer stole an eaglet's eggs and added them to his hen's eggs.

不会游泳的鸟 有一天， 一位农夫偷了一只小鹰的蛋，并将它们添加到他的母鸡的蛋中。

It was about half the size of a very small hen's egg, and was attached to a twig no thicker than a steel knitting needle.

这个小巢穴大概只有半个鸡蛋大，附着在一根还不如钢针粗的小树枝上。