optical
英 ['ɒptɪk(ə)l]
美['ɑptɪkl]
	    - adj. 光学的;眼睛的,视觉的
 
英英释意
- 1. relating to or using sight;
 - "ocular inspection"
 - "an optical illusion"
 - "visual powers"
 - "visual navigation"
 
- 2. of or relating to or involving light or optics;
 - "optical supplies"
 
- 3. of or relating to or resembling the eye;
 - "ocular muscles"
 - "an ocular organ"
 - "ocular diseases"
 - "the optic (or optical) axis of the eye"
 - "an ocular spot is a pigmented organ or part believed to be sensitive to light"