Article
科學常識 爬山利器 - Common Knowledge in Science. Useful Tools for Mountain Climbing.
Language level: Baihua
Image
左圖上為爬山之繩索繫車 - The Left Picture Showings a Climbing Rope Bound to a Cart
Subject matters: Leisure activities,
Medium: Photograph-Monochrome
Keywords: invention,
下圖為越山船越山之情形 - The Picture Below Shows a Mountain-Crossing-Boat Crossing the Canyon
Subject matters: Leisure activities,
Medium: Photograph-Monochrome