空くう中ちゅう浮ふ遊ゆう生せい物ぶつくうちゅうふゆうせいぶつMeanings1nounaeroplanktonbiology›Technical biology term for tiny organisms that drift in the air, analogous to plankton in water.空くう中ちゅう浮ふ遊ゆう生せい物ぶつは、風かぜに