tongue-and-groove joint

例句：

1. 1. The engineer designed the building to have a tongue-and-groove joint for maximum strength and durability.
   工程师设计这座建筑时，采用了榫接结构以实现最大的强度和耐久性。
2. 2. The old wooden bridge still has its tongue-and-groove joints, which are visible through thecracks in the wood.
   那座古老的木桥仍然保留着它的榫接接头，这些接头在木头的裂缝中清晰可见。
3. 3. The construction company used tongue-and-groove joints to connect the steel beams, ensuring they were secure and stable.
   建筑公司使用榫接接头连接钢梁，确保它们牢固稳定。