压缩空气装置

[ noun ]
plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it
<noun.plant>

Air plant \Air" plant`\ (Bot.)
A plant deriving its sustenance from the air alone; an
a["e]rophyte.

Note: The ``Florida moss'' ({Tillandsia}, many tropical
orchids, and most mosses and lichens are air plants.
Those which are lodged upon trees, but not parasitic on
them, such as the {Spanish moss} {Tillandsia
usneoides}), are {epiphytes}.