officer ['ɔfisə]
n.官员;高级职员
engineer [,endʒi'niə]
n.工程师;技师
联想记忆:engine(引擎)+er→工程师
fair [fɛə]
adj.公平的;合理的
pick up
拾起;捡起
army ['ɑ:mi]
n.军队