nemertoid

例句：

1. 1. Nemertoid snakes are found in tropical regions.
   海蛇在热带地区被发现。
2. 2. The nemertoid snake is a venomous creature that can grow up to 10 feet long.
   海蛇是一种有毒的生物，可以长到10英尺长。
3. 3. Nemertoid snakes are known for their ability to strike with deadly accuracy.
   海蛇以其致命的攻击能力而闻名。