1、The ship was built using traditional construction methods, including the use of treenails to secure the wooden planks together.

这艘船是使用传统的建造方法建造的，包括使用木榫钉将木板固定在一起。

2、The treenails are made from strong, durable wood to ensure the ship remains sturdy in rough seas.

木榫钉由坚固耐用的木材制成，以确保船只在汹涌的海洋中保持稳固。