ship worm

例句：

1. 1. The ship worm has been a major problem for many years.
   多年来，船蛆一直是一个大问题。
2. 2. The ship worm is a destructive pest that can damage ships and fishing gear.
   船蛆是一种破坏性的害虫，可以损坏船只和渔具。
3. 3. The fishermen have been using traps to catch the ship worm, which are harmful to the environment.
   渔民们一直在使用陷阱来捕捉船蛆，这对环境有害。