交警: traffic police, abbr. for...
年度: year (e.g. school year, fiscal year), annual...
凶手: murderer, assassin...
时: o'clock, time, when, hour, season, period...
应用: to put to use, to apply, practical, applied (science, linguistics etc), application, practical use, (computing) app...
停车场: parking lot, car park...
酒精: alcohol, ethanol CH3CH2OH, ethyl alcohol, also written, grain alcohol...
社: society, group, club, agency, (old) god of the land...
西边: west, west side, western part, to the west of...
巨额: large sum (of money), a huge amount...