crosspiece

n.横木,横档,闩

横木，横梁，托梁

名词

1. The crosspiece on the gate had rotted away and needed to be replaced.
门上的横木已经腐烂掉了，需要更换。

2. He used a sturdy piece of wood as a crosspiece to strengthen the structure.
他用一块坚固的木头作为横梁来加强结构。