Could you please... (polite request)
This phrase is a polite way to ask someone to do something.
Examples
もう一度説明していただけませんか?
Could you please explain that again?
この部屋を消毒していただけませんか?
Could you please disinfect this room?
お手伝いをお願いできませんか?
Could you please help me?
Quick check
もう一度説明し___いただけませんか?