一生
whole life, a lifetime, a generation
一種
species, kind, variety
一瞬
instant, moment, for an instant
一層
much more, still more, all the more, single layer, sooner, preferably
一体
(what) the heck, (why) in the world
邪魔
hindrance
化学
chemistry
会
meeting, assembly, party, association, club
会員
member
海外
foreign, abroad, overseas