invisible
英 [ɪn'vɪzɪb(ə)l]
美[ɪn'vɪzəbl]
	    - adj. 无形的,看不见的;无形的;不显眼的,暗藏的
 
英英释意
- 1. impossible or nearly impossible to see; imperceptible by the eye;
 - "the invisible man"
 - "invisible rays"
 - "an invisible hinge"
 - "invisible mending"
 
- 2. not prominent or readily noticeable;
 - "he pushed the string through an inconspicuous hole"
 - "the invisible man"