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성문종합단문독해

성문종합영어단문독헤(형용사1) 1-65

단문 1-65 (형용사1)

Among the greatest discoveries of science not a few have been made by accident.

Setting out to reach a certain goal, the investigator chances in his way upon a law, an element, that had no place in his purpose.

The discovery is a by-product of his activity.