noun🔗Share专注，集中，专心。 The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated."My concentration was high during the important math test. "在重要的数学考试中，我非常专注。mindabilityprocessactionessentialChat with AIVocabulary GamePractice Reading
noun🔗Share专业, 主修。 A field or course of study on which one focuses, especially as a student in a college or university."My concentration in university is biochemistry. "我在大学的专业是生物化学。educationessentialChat with AIVocabulary GamePractice Reading
noun🔗Share浓度，浓度比。 The proportion of a substance in a whole."The concentration of sugar in the lemonade was too high; it tasted very sweet. "柠檬水里糖的浓度太高了，喝起来非常甜。amountsubstancechemistryessentialChat with AIVocabulary GamePractice Reading
noun🔗Share记忆翻牌游戏，找对对游戏 The matching game pelmanism."My concentration was high during the pelmanism game at school, and I quickly matched all the pairs. "在学校玩记忆翻牌游戏时，我非常专注，很快就配对了所有牌。gameentertainmentessentialChat with AIVocabulary GamePractice Reading
