dull knife used to cut open the envelopes in which letters are mailed or to slit uncut pages of books
paper knife 例句
英汉例句
trolleys, nutcracker, bottle opener, paper knife is such a lever.
手推车、胡桃钳、开瓶器、裁纸刀即属此类槓桿。
the blade of the paper knife of the utility model is convenient to change.
本实用新型的割纸刀可方便地更换刀片。
the paper knife with infrared display has the advantages that the position of the paper knife is displayed, so files or photos can not be cut slantways in cutting.
本实用新型一种带红外线显示的切纸刀的有益效果是显示切刀的位置,在切裁时不会将文件或照片切斜。
don't you remember we once ate potted shrimps with a paper knife ?