paperknife

英 [ˈpeɪpənaɪf]

美 [ˈpeɪpərnaɪf]

n.  拆信刀; 开信刀

牛津词典

noun

• 拆信刀；开信刀
  a knife used for opening envelopes

英英释义

noun

• dull knife used to cut open the envelopes in which letters are mailed or to slit uncut pages of books
  Synonym:letter openerpaper knife

双语例句

• She slit open the letter with a paperknife.
  她用裁纸刀把信拆开。