“Explosive increase” in Japanese
Short answer
Explosive increase in Japanese is “大発生” (daihassei). Full meaning: explosive increase (in number of pests), (severe) outbreak or upsurge of pests.
Other ways to say “Explosive increase” in Japanese
爆上げ
bakuage explosive increase, rising dramatically, shooting up
爆上がり
bakuagari explosive increase, dramatic rise, shooting up
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