extension的意思

基本释义

• n 电话分机；扩大；延伸

  one of many telephone lines connected to a central system in a large building, which all have different numbers

例句

1. Can I have extension 316, please?

   能帮我接316号分机吗？

2. the extension of the copyright laws to cover online materials

   著作权法向网络内容的延伸

短语

• brand extension 品牌延伸
• by extension 相关地；引申开来
• extension service 推广服务
• crack extension 裂纹扩展；裂纹扩张
• extension set 分机；增设装置

近义词

同根词