phenomenon

A fact or event that can be observed; something remarkable or extraordinary.

• phenomenal/fɪˈnɒmɪnəl/(adj)惊人的；非凡的
• phenomenally/fɪˈnɒmɪnəli/(adv)非凡地

• natural phenomenon
• social phenomenon
• observe a phenomenon
• widespread phenomenon
• a global phenomenon
• a well-known phenomenon
• the phenomenon of

1. 1.Climate change is a global phenomenon requiring coordinated international action.
2. 2.The band's rise from obscurity to stadium tours in under a year was a true cultural phenomenon.

• occurrence/əˈkʌrəns/— something that happens
• event/ɪˈvɛnt/— a thing that happens
• spectacle/ˈspɛktəkəl/— a remarkable event or sight

from Greek "phainomenon" = that which appears, from "phainesthai" (to appear)