Paramoecium

例句：

1. 1. The paramoeciun in the ocean are fascinating creatures.
   海洋中的水母令人着迷。
2. 2. This species of paramoeciun is known for its unique behavior.
   这种水母因其独特的行为而闻名。
3. 3. Paramoeciun can be found in a variety of habitats, from shallow waters to deep ocean trenches.
   水母可以在各种环境中发现，从浅水到深海都有。