perforations

基本解釋

• 齒孔

同根派生

• perforations相關(guān)詞

英漢例句

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

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