A Blind Spot

2002英语辅导：初三年级Social Sciences被引 2

摘要

It seems to be strange to you there is ablind spot on the eye. Here is an interestingexperiment (实验)that can make somethingdisappear,when one eye is open. Make a card about the size of a postcardand write two English letters L and Ron it.L on the left and R on the right.First,hold the card about 80cm away and you seeboth the letters.Then close your right eye and

引用本文（GB/T 7714）

余占. A Blind Spot[J]. 英语辅导：初三年级, 2002.

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