短語詞組短語narrow something down 縮減narrow w down 縮小范圍;使變窄narrow it down 縮小;鎖定重點narrow w down the topic 細(xì)化題目narrow the topic down 把題目范圍縮小narrow an argument down 縮小議論范圍;限制爭論的范圍Narrow down topic 縮小話題范圍縮小Narrow down the hall 站務(wù)大廳narrow down to 變窄 返回 narrow down