key floating

例句：

1. 1. The boat was key floating in the calm sea.
   在平静的海面上，船正缓缓漂浮。
2. 2. The balloon was key floating above the clouds.
   气球在云层上方漂浮着。
3. 3. The fish was key floating in the ocean.
   鱼在海洋中自由地漂浮着。