prognostic英美网络 预兆; 預後; 预后; 预后性的; 预报TOEFLBNC.30012 / COCA.28996英英释义nouna sign of something about to happenhe looked for an omen before going into battleSynonym:omenportentpresageprognosticationprodigyadjof or relating to predictionSynonym:predictiveprognosticative双语例句