81. What is a ‘cornea，? It is
(A) a pair of classes.
(B)a piece of cake.
(C) a softener
(D) a piece of transparent tissue over the front of the eyeball.

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統計： A(10), B(14), C(13), D(290), E(0) #609167

詳解 (共 1 筆)

#4765842
cornea:角膜
(共 11 字，隱藏中）
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