He was consumed by this search and wrote Mars and Its Canals (1906) and Mars as the Abode of Life (1908) to express these ideas.

他为这项研究花费了所有，并撰写了《火星和它的运河》(1906年)和《生命的栖居地——火星》(1908年)来阐述这些观点。

youdao

He was consumed by this search and wrote Mars and Its Canals (1906) and Mars as the Abode of Life (1908) to express these ideas.

他为这项研究花费了所有，并撰写了《火星和它的运河》(1906年)和《生命的栖居地——火星》(1908年)来阐述这些观点。

youdao