hypothesize
🇺🇸
/haɪˈpɑːθəsaɪz/
🇬🇧
/haɪˈpɒθəsaɪz/
to form an idea or theory about something when you don't have all the information; to guess or suppose
Scientists hypothesized that the comet's impact caused the extinction of the dinosaurs.
科學家們假設彗星的撞擊導致了恐龍的滅絕。