floating(a)
n.the act of someone who floats on the water 同义词：natation
adj. continually changing especially as from one abode or occupation to another"the floating population"
同义词：aimlessdriftingvagabondvagrant
inclined to move or be moved about"a floating crap game"
(of a part of the body) not firmly connected; movable or out of normal position"floating ribs are not connected with the sternum"; " a floating kidney"
not definitely committed to a party or policy"floating voters"
borne up by or suspended in a liquid"the ship is still floating"; " floating logs"; " floating seaweed"