macula
英 ['mækjʊlə]
美['mækjʊlə]
- n. 太阳黑子;(矿物的)斑疵点;(皮肤上的)斑点
英英释意
- 1. a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
- 2. a yellowish central area of the retina that is rich in cones and that mediates clear detailed vision
- 3. a patch of skin that is discolored but not usually elevated; caused by various diseases