As a peculiar organism in specially designated environment, cicada as a literary image is mainly to manifest the theme of autumn-sadness.
作为特定环境中的独特个体，蝉意象在中国古代文学中主要用于表现悲秋主题。
It is known officially as allergic rhinitis, allergic sinusitis, or allergic conjunctivitis, depending on whether symptoms manifest mainly in the nose, sinuses, or eyes, respectively.
根据其症状主要表现在鼻子，鼻窦，和眼睛上，其正式的叫法分别叫做过敏性鼻炎，过敏性鼻窦炎或过敏性结膜炎。
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