Counterbore
(用平底扩孔钻)扩孔［锪孔, 镗孔, 镗阶梯孔］, 沉孔, 埋头孔
🔁 扩展释义
【化】 埋头孔
🗣️ 情景例句
Is that all for customs formalities?
海关检查就这些了吗？
Saying is one thing, and doing another.
说是一回事，做是另一回事。
Look!Here it is!
瞧，就是这件。