调研調研

diào yán

Уровень HSK: HSK 5

Значение

исследовать

to investigate and research; research; investigation

Учить в приложении → Писать по чертам

Иероглифы

调diàotune, melody, key; to transfer, to exchange讠周研yánto grind, to rub; to study, to research石开