1. Nemerteans are characterized by their long, slender bodies.
线虫动物的特点是身体又长又细。

2. The nemertean has a proboscis that it uses to capture its prey.
线虫动物有一根用来捕捉猎物的吻。

3. Some species of nemerteans can be found in shallow water along the coastline.
一些种类的线虫动物可以在沿海浅水区找到。