A mechanical nightingale is introduced in " and is used to replace a real nightingale for a princess .
A mechanical nightingale is featured in " and is used to replace a real nightingale for a princess .
A mechanical nightingale is featured in " and is used to replace a real nightingale for a princess .
文の言い換えバージョンを書いてください: A mechanical nightingale is introduced in " and is used to replace a real nightingale for a princess . 出力: