invisible
- 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"