countersink
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(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
That sounds very nice. When will it be?
听起来真不错,什么时候呢?
A good, satisfying job can be the product of years of education.