歐米惠必应词典

perforations

P 开头单词

基本解释

  • 齒孔

同根派生

     

英汉例句

  • Tear the sheet of stamps along the perforations.
    沿齒孔把郵票撕開。
  • Grooves extend to the finished edge, but rear perforations are not visible.
    凹槽延伸到成品的優勢，但後排齒孔中不可見。