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
If I've ever been sure of anything, I'm sure of this; your team is going to lose the same game on Saturday.
这一次我十分肯定:你们队星期六的比赛会输。
To minimize any possible damage, we've packed our goods in the way to suit for long sea-voyage.