perennial hay-fever

基本解释

• [物理學]非季節性枯草熱

英汉例句

雙語例句

• People who suffer from year-round hay fever (perennial rhinitis) may be allergic to persistent allergens in the environment coming from such sources as dust mites, mice, and cockroaches.
  那些常年經歷著過敏的人其過敏源可能是來自環境中的粉塵，老鼠，和蟑螂。

• perennial hay-fever更多例句

专业释义

物理學

• 非季節性枯草熱