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
Why shouldn't I run?
为什么我不该竞选?
I ask him to do the housework now.
我要求他现在做家务。
The wheels scooped up stones which hammered ominously under the car.