countersink
v
(pt -sank /-sNk; -9sANk/, pp -sunk ) [Tn usu passive通常用於被动语态 ]
1 enlarge the top of (a hole) so that the head of a screw or bolt fits into it level with or below the surrounding surface 钻埋头孔.
2 insert (a screw or bolt) into such an enlarged hole 将(螺钉或螺栓)旋入埋头孔中.
🗣️ 情景例句
You go first.
你先来。
Today, they will introduce to you our newly built plant and research center.
今天,他们将会向您介绍我们新落成的工厂和研究中心。
When they had gone, the driver of the car came towards him.