officer基本解释
n,军官，警官；公务员，政府官员；船长,同近
a commanding officer of the SAS.英国空军特种部队的一名指挥官
军官，警官；公务员，政府官员；船长英释nnsomeone who is in a position of authority in the army, navy etc
police officer,n. 警官；警员.短语
