float /fləut/ vt. & vi. 1.(使)漂浮，漂动: The boy floated his toy boat in the water.那男孩把玩具小船放在水中漂。Ice floats in water. 冰在水中漂浮。 2.飘，飘扬： The red flag is floating above the square.红旗在广场上空飘扬。