demonstrableKK [ˋdɛmənstrəbəl] /ˈdɛmənstɹəbəl/形容詞1可證明的、能證實的The company must show demonstrable proof that the product is safe.公司必須提出可證明該產品安全的證據。2明顯的、顯而易見的正式There has been a demonstrable improvement in air quality this year.今年的空氣品質有明顯的改善。