drifting organism

例句：

1. 1. The ocean is home to many drifting organisms that feed on plankton.
   海洋是许多漂浮生物的家园，它们以浮游生物为食。
2. 2.Drifting organisms play a crucial role in the ecosystem by breaking down organic matter.
   漂流生物在生态系统中起着至关重要的作用，它们分解有机物质。
3. 3.The drifting organisms are often found in areas with high levels of pollution.
   漂流生物通常发现在污染水平较高的地区。