LET'S-READ-AND-FIND-OUT SCIENCE: 自然科学启蒙 第一辑: 野鸭的羽毛不会湿
- 32 pages
- 2 hours of reading
Describes the behavior of different kinds of ducks and, in particular, discusses how all ducks use preening to keep their feathers dry.
Augusta R. Goldin Book order (chronological)
