82. What is a ‘hinge，? It is
(A) a surgeon.
(B) a natural joint.
(C)a natural resource.
(D)a spanner

答案：登入後查看
統計： A(4), B(22), C(4), D(6), E(0) #609168

詳解 (共 1 筆)

#5426510

The cornea is never completely severed from the rest of the eye; it remains attached to the remaining cornea, just like a hinge. 

雷射手術時，眼角膜不會完全移除，會留一點在眼球上（像杯麵蓋子不會完全撕開）
所以hinge在這裡的意思是像joint（關節）繫在眼球上

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