perforations

基本解释

• 齒孔

同根派生

• perforations相关词

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。

• perforations更多例句