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並前往 https://books.google.com.tw/books?id=8_Xk4Fh53VwC&pg=PR24&lpg=PR24&dq=newton&source=bl&ots=2vks8CXkoD&sig=ACfU3U0pgjAev0w2ShZuI24vvDgQwOG0xg&hl=zh-TW&sa=X&ved=2ahUKEwiH5t68g8j6AhUjgHMKHUv9DTYQ6AF6BQiQAxAD
是否確定要離開?
確定! 回上一頁