flu

Steven’s still in bed with flu ..史蒂文患了流感，仍卧病在床。

She’s got the flu ..她得了流感。

I couldn’t go because I had flu ..我得了流感，去不了。

Doctors now fear a flu epidemic ..医生现在担心会出现流感大爆发。

swine flu,猪流感

bird flu,n. 禽流感

flu virus,[医学]流感病毒；禽流感病毒

avian flu,禽流感

flu shot,流感疫苗；预防针；感冒疫苗

have the flu,得了流感，患流感

spanish flu,西班牙流感（等于Spanish influenza）