All the young birds, as chicks, hatched at one time.

同一窝孵出的小鸡或小鸟。

All the young of one mother.

同母之子。

To sit on eggs, as a hen.

孵蛋(如母鸡)。

To linger over sorrowfully.

沉思；怀忧。

To sit over, cover, and cherish, as eggs.

孵卵。

To cherish in the mind; ponder.

沉思；思索。