Interferon is a chemical your body makes when a virus gets in. Sick cells send it out, and nearby cells get ready so the virus cannot copy itself so easily. That is the main job: it does not kill the virus like soap kills germs on a table; it gets in the way of the virus spreading.

Interferon is a chemical your body makes when a virus gets in是你的身體在病毒入侵時製造出來的一種化學物質 Sick cells send it out生病的細胞會把它送出去 and nearby cells get ready so the virus cannot copy itself so easily讓附近的細胞做好準備，讓病毒沒那麼容易複製自己 That is the main job這就是它主要的工作 it does not kill the virus like soap kills germs on a table它不像肥皂殺死桌上的細菌那樣殺死病毒 it gets in the way of the virus spreading它是去阻擋病毒擴散

Doctors also give interferon as medicine for some virus illnesses and some cancers, so you will hear it in hospitals and science class more than in the street.

Doctors also give interferon as medicine for some virus illnesses and some cancers醫生也會把interferon當成藥物，用在一些病毒疾病和一些癌症上 so you will hear it in hospitals and science class more than in the street所以你在醫院和自然課裡聽到它，比在路上聽到更常見

The name is close to interfere on purpose — though actually, in daily English interfere often sounds like bothering someone, and interferon is not that. It is a quiet body signal with a long science name.

The name is close to interfere on purpose這個名字故意跟interfere（干擾）很像 though actually, in daily English interfere often sounds like bothering someone不過實際上，在日常英語裡interfere常常聽起來像是在打擾別人 and interferon is not that而interferon不是那個意思 It is a quiet body signal with a long science name它是身體裡一個安靜的訊號，只是有個很長的科學名字