nounげきげん · gekigen
Englishdramatic decrease; sharp drop; sudden fall
- 先進国では虫歯が激減し、自分の歯で一生食べられる人が増えています。Cavities have become rarer in the developed countries and more people will be able to eat with their own teeth throughout their life.
Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)