float under carriage

例句：

1. 1. The boat floated on the calm water.
   船在平静的水面上漂浮。
2. 2. The fish floated on the surface of the lake.
   鱼在湖面上漂浮。
3. 3. The balloon floated above the trees.
   气球在树梢上方漂浮。