noun🔗Share集中, 濃縮The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated."High concentrations of pollen in the air can cause allergy symptoms. "空気中の花粉の濃度が高いと、アレルギー症状を引き起こす可能性があります。abilityprocessmindphysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share専攻, 専門A field or course of study on which one focuses, especially as a student in a college or university.""At university, she chose two concentrations: biology and chemistry." "大学で、彼女は生物学と化学の二つの専攻を選びました。educationChat with AIVocabulary GamePractice Reading
noun🔗Share濃度, 割合The proportion of a substance in a whole."The doctor checked the patient's blood to measure the concentrations of different vitamins and minerals. "医者は、さまざまなビタミンとミネラルの濃度を測定するために、患者の血液を検査しました。substancechemistryamountChat with AIVocabulary GamePractice Reading
noun🔗Share神経衰弱The matching game pelmanism."The children's matching game required careful concentrations to find the pairs. "子供たちの神経衰弱は、ペアを見つけるために注意深い集中力が必要でした。gameentertainmentChat with AIVocabulary GamePractice Reading