我开始羡慕土豆了

jluo

土豆想旅行 发表于 2011-5-27 19:54
我其实一直羡慕体积大的同学 滑蘑菇可以更“稳”

that is not true ... it is less stable since the cg would shift more and has higher momentum in motion, ie, more effort for any motion change