forked tenon

例句：

1. 1. The carpenter used a forked tenon to join the two pieces of wood together.
   木匠用一个榫头将两块木头连接起来。
2. 2.The wooden door was held together with a simple forked tenon.
   这扇木门是用一个简单的榫头固定的。
3. 3. The builders used forked tenons to reinforce the structure's stability.
   建筑工人使用榫接来加固结构的稳定性。