in·fec·tious
adjective/ɪnˈfekʃəs/
/ɪnˈfekʃəs/
- an infectious disease can be passed easily from one person to another, especially through air or water
传染性的，感染的（尤指经由空气或水传染的） - Flu is highly infectious.
流感非常容易传染。 - (figurative) infectious laughter
富有感染力的笑声
Oxford Collocations Dictionaryverbs- be
- highly
- very
- potentially
- …
- Flu is highly infectious.
- [not usually before noun] if a person or an animal is infectious, they have a disease that can be spread to others
患有传染病；有传染力 - I'm still infectious.
我还处在传染期。
Oxford Collocations Dictionaryverbs- be
- highly
- very
- potentially
- …
compare contagious - I'm still infectious.
Word Originmid 16th cent.: from infection + -ous.