史上最重要的科學(xué)發(fā)明:伽利略天文望遠鏡
2009-12-29 00:00:00MichioKaku
英語學(xué)習(xí) 2009年12期
Quick-name the invention that has done most to redefine our place in the universe.
Quick-name the invention that has done most to redefine our place in the universe.
