C 望远镜 optical instrument shaped like a tube, with lenses to make distant objects appear larger and nearer
句型例句
In 1609,Galileo improved the telescope and used it to study the stars and planets.伽利略于1609年改进了望远镜,用它研究恒星和行星。
She resolved to make a telescope.她决心做一架望远镜。
