单词	optic cup
释义	optic cup noun : the optic vesicle after invaginating to form a 2-layered cup from which the retina and pigmented layer of the eye will develop called also eyecup Word History First Known Use circa 1882, in the meaning defined above Medical Definition optic cup noun : the optic vesicle after invaginating to form a 2-layered cup from which the retina and pigmented layer of the eye will develop called also eyecup
随便看	half-a-crown half-and-half half-and-halfs half-ape half-armor half-ass half-assed half-asses half-assing half-baked half-ball stroke half-beam half-bent half-blood half-blooded half-bound half-box half-breadth plan half-bred half-breds half-breed half-breeds half-bull half-caste half-castes

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