allergen
noun [ C ] medical specialized uk/ˈæl.ə.dʒən/ us/ˈæl.ɚ.dʒən/
（引起过敏反应的）变应原;过敏原
a substance that can cause an allergy (= condition of the body reacting badly to something) but is not harmful to most people
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。