pleus.tonn.(名词)Plants that float on the surface of bodies of fresh water.漂浮植物:漂浮在淡水水体表面上的植物来源:Greek pleusis [sailing] * see pleu- 希腊语 pleusis [航行] *参见 pleu- (plank)ton (plank)ton【引伸】pleuston.ic