短語詞組短語narrow something down 縮減narrow w down 縮小範圍;使變窄narrow it down 縮小;鎖定重點narrow w down the topic 細化題目narrow the topic down 把題目範圍縮小narrow an argument down 縮小議論範圍;限制爭論的範圍Narrow down topic 縮小話題範圍縮小Narrow down the hall 站務大厛narrow down to 變窄 返回 narrow down