Countersink

vt. 钻孔装埋, 打埋头孔于\\nn. 埋头孔, 锥口钻

✅ 同义词

📖 牛津释义

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.
车轮搅起的石块锤击车身,发出不祥的锤击声。
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🔤 更多 C 开头的单词

cerebrum [sə'ri:brəm]
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