He kindly offers them an extra egg laid by a fertile couple, and the male penguins take turns keeping it warm.

他好心地从别的企鹅那里找来一颗蛋，这两只雄性企鹅便轮流给它保暖。

youdao

He kindly offers them an extra egg laid by a fertile couple, and the male penguins take turns keeping it warm.

他好心地从别的企鹅那里找来一颗蛋，这两只雄性企鹅便轮流给它保暖。

youdao