paper knife 的英语意思
paper knifeˈpaper knife noun [countable] 
查看全部语言翻译 British English a knife for opening envelopes用于拆开信封的刀
查看全部语言翻译 British English a knife for opening envelopes用于拆开信封的刀 查看全部语言翻译 British English a knife for opening envelopes用于拆开信封的刀