Academicexploration2LanguagefocusVocabularylearningcatastrophicadj.causingalotofdestruction,suffering,ordeath灾难性的,毁灭性的diminishv.tobecomeormakesth.Becomesmallerorless(使)减少。(使)减小pharmaceuticaladj.relatingtotheproductionofdrugsandmedicines制药的predominantlyadv.mostlyormainly在很大程度上,主要地vaccinen.a...