a red rash caused by hypersensitivity to a drug or disease or other allergen
双语例句
Neurologic features can be the first manifestations of Lyme disease, and the classic findings of erythema migrans and arthritis may be absent. 神经系的表现可能是莱姆病的唯一首发表现,而典型表征游走性红斑和关节炎可能是缺乏的。