激烈: severity; violence; vehemence

激増: sudden increase

Alternative form of 一々

one by one, each and every, in detail

one by one, each and every

location, position

full-fledged, qualified, up to standard / adulthood, behaving like an adult or as a member of the society / Used other than figuratively or idiomatically: see 一人, 前. ("one person's portion")

a (single) leaf / (figuratively) a (single) small boat / a (single) sheet (something thin: page, etc.)

a (single) body, gang, group

a (single) branch of flowers / a (single) cloud