我们一定不能在桌上放花，苏珊，因为那可能会引起她的哮喘，辣椒会让她打喷嚏，所以我们最好也不要放。
We mustn't have flowers on the table, Susan, because I understand they give her asthma. And pepper makes her sneeze, so we'd better not have it.
这些气体也可以起一种刺激物的作用，引起流泪或打喷嚏。
These gases can also act as sensory irritants to produce tears or sneezing.
另一个理论认为，把鼻子眼泪通过鼻泪管泄漏是一种光的反射引起喷嚏。
Another theory suggests that tears leaking into the nose through the nasolacrimal duct are a cause of the photic sneeze reflex.
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