American astronomer who gained photographic skills while earning his living in a portrait studio.

美国天文学家。他在一家照相馆谋生时掌握了摄影技术。

youdao

American astronomer who gained photographic skills while earning his living in a portrait studio.

美国天文学家。他在一家照相馆谋生时掌握了摄影技术。

youdao