flu
复数形式
flus
1
流感
an infectious disease similar to a bad cold, causing fever and severe pain
- After catching the flu, he realized the importance of getting vaccinated.
在得了流感之后，他意识到了接种疫苗的重要性。
- He could not go to school because of the flu.
他因为流感不能去学校。
- He has a high fever; it might be the flu.
他发高烧；可能是流感。
- I caught the flu and had to stay home for a week.
我得了流感，不得不呆在家里一个星期。
- Wearing a mask can help prevent the spread of the flu.
戴口罩有助于防止流感的传播。