不自由浮动

例句：

1. 1. The fish are free-floating in the ocean.
   鱼在海洋中自由漂浮。
2. 2. Free-floating plastic waste is a major environmental problem.
   自由漂浮的塑料垃圾是主要的环境污染问题。
3. 3.The scientists found that some species of fish were free-floating in the ocean.
   科学家们发现，某些鱼类在海洋中是自由漂浮的。