science festival 2021 Q61 ja
![鳥はどうして飛べるのですか?](/sites/default/files/styles/embed_lg_1x/public/2023-12/science_festival_2021_Q61_ja.jpg?itok=inHhshsB)
Date:
11 December 2023
Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).