against

prep.逆；紧靠着；与…对照，对比

after a while, after all, after dark, after-care, after-damp, after-effect, after-image, after-taste, afterbirth, afterglow, afterlife, aftermost, afternoon, afternoons, aftershave, afterthought, afterward, afterward(s), afterwards, again, agape, agate, age, age of consent, age-group (also age-bracket), age-old, aged, ageing, ageing (also aging), ageism (also agism), ageless, agelong, agency, agenda, agent, agent provocateur, agglomerate, agglomeration, agglutinate, agglutination,