reactions/riˈæk.ʃən/名词反应;回应I love to watch people's reactions when I say who I am.我喜欢观察人们在听到我说出我是谁时的反应。(对食物、药物等的)不良反应,过敏Some people have an allergic reaction to shellfish.有些人吃贝类会有过敏反应。化学反应a chemical reaction化学反应想跟读,去练习