noun ダウンロード 🔗共有 ナノ粒子 Any microscopic particle less than about 100 nanometers (nm) in diameter. In aerosol science, the term is often reserved for particles less than 50 nm in diameter; the term "ultrafine particles" is used for particles less than 100 nm in diameter. Examples : "Sunscreen contains nanoparticles that help protect your skin from the sun's harmful rays. " 日焼け止めには、太陽の有害な光線から肌を保護するのに役立つナノ粒子が含まれています。 material science technology physics chemistry environment AIとチャット語彙ゲーム読解練習
