生活中的科学, 小朋友挺适合的# Parenting - 为人父母
G*n
1 楼
生活中的科学, 小朋友挺适合的
My invention uses a few commonly available materials and tools. It is free
and pretty accurate.
For more details check out here
http://geniusasian.com/free-accurate-kitchen-scale/
https://youtu.be/7REfYzLJn44
My invention uses a few commonly available materials and tools. It is free
and pretty accurate.
For more details check out here
http://geniusasian.com/free-accurate-kitchen-scale/
https://youtu.be/7REfYzLJn44