看不见,难看见,看不见的东西
Invisibility \In*vis`i*bil"i*ty\, n.; pl. {Invisibilities}. [L. invisibilitas: cf. F. invisibilit['e].] The state or quality of being invisible; also, that which is invisible. ``Atoms and invisibilities.'' --Landor.
invisibility n : the quality of not being perceivable by the eye [syn: {invisibleness}] [ant: {visibility}]