The first men to investigate the nature of electricity could not imagine that their experiments, conducted out of mere intellectual curiosity, would lead to contemporary electrical technology, without which we can scarcely conceive of modern life.
제가 이해가 안 되는 부분은 밑줄 친 부분입니다. 어떤 구조인지 좀 설명부탁드려요~~
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2022-08-10 22:48:15