The bird ______to the factory.

受精卵的形成场所和胚胎发育的场所分别是（  ）

古诗赏析 。
                                                                                                                                               伤桃源薛道士
                                                                                                                                                     刘禹锡
                                                                                                                             坛边松在鹤巢空，白鹿闲行旧径中。
                                                                                                                              手植红桃千树发，满山无主任春风。

根据中文提示，完成句子翻译。