stomach flu肠胃炎;胃感冒;肠胃感冒;病毒性肠胃炎
flu vaccine流感疫苗;感冒疫苗;打感冒疫苗
Asian flu亚洲型流感;亚洲流感
seasonal flu季节性流感;时节性流感;季节流感
Flu vaccination接种流感疫苗
FLU B人流感病毒B;型流感病毒;乙型流感;B型流感病毒
Flu Symptoms流感症状
FLU Influenza流行性感冒;流感;详细翻译
FLU vac流感疫苗
N-UNCOUNT（不可数名词） Flu is an illness which is similar to a bad cold but more serious. It often makes you feel very weak and makes your muscles hurt. 流感 [also 'the' N]
I got the flu.
我得了流感。