例句
His infectious laugh soon had everyone at the table smiling.
他富有感染力的笑声很快让桌边的每个人都笑了起来。
Improved sanitation and access to clean water are essential for preventing infectious diseases in densely populated communities.
改善卫生条件并保障清洁用水，对预防人口密集社区的传染病至关重要。
常用搭配
- infectious disease｜传染病
- highly infectious｜传染性很强的
- infectious enthusiasm｜有感染力的热情
- infectious laughter｜有感染力的笑声
词形与相关词
infect (v.) · infection (n.) · infectiousness (n.)
用法提示
infectious表示有传染性；infected表示已被感染。