concealed dovetail

例句：

1. 1. The carpenter carefully concealed the dovetail joints in the wood.
   木匠小心翼翼地在木头里隐藏了榫头。
2. 2. The craftsmanship of this piece is truly concealed dovetail, with each join being expertly crafted.
   这件作品的工艺真是精湛，每个接合处都经过精心打造。
3. 3. The carpenter used a concealed dovetail to secure the joint, ensuring that it would not come loose over time.
   木匠使用了一个隐蔽的榫头来固定接合处，确保它不会随着时间的推移而松动。