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呼吸区 hūxī qū
anat. respiratory region (呼吸区鼻黏膜在活体呈粉红色,含有丰富的血管和腺体。感冒时,由于黏膜充血和肿胀,可出现鼻塞和流涕)
nucl.phys. breathing zone
otorhinol. respiratory region