infectiously
🇺🇸
/ɪnˈfekʃəsli/
🇬🇧
/ɪnˈfekʃəsli/
able to spread feelings or behaviors to others
Her laughter was infectiously cheerful, making everyone around her smile.
她的笑声是如此感染力十足,让周围的每个人都笑了。