どちら /dot͡ɕiɾa/ DeterminerEnglishwhich한국어어느 것ExampleINLINE SYNONYMY: どちらの書物(どれ/どの)を今読んでいますか? — of: Which book are you reading?Which book are you reading?選択肢が明確な場合に「どちらの」が自然です。