In other words, sometimes a person might have no allergic reaction on the skin test, but have a localized allergic reaction affecting the nasal cavity and eyes - that's low sensitivity.

换言之，一个在鼻子和眼睛局部存在着过敏反应患者在做皮肤点刺试能出假阴果，这就是所谓低敏感。

Yes, there seems to be an allergic reaction.

是 看起来有过敏反应。

I think it's it's a collective anaphylactic immune response to an antigen that challenged the system.

我认为这是对抗原集体过敏免疫反应, 这种抗原挑战了系统。