“今天老師不是說了牛頓第二定律麼?”686Please respect copyright.PENANA1MzcEj5R0M
686Please respect copyright.PENANAEPgWkJuYHP
“嗯,怎麼了?”
686Please respect copyright.PENANAIn6BmlAjcY
“我在想說...淨力...摩擦力...自由落體運動...F=ma@$(@-$(#'":/:”
686Please respect copyright.PENANAVketFrpetu
“啊對,就是這個,那麼這就跟牛頓第一定律相關。他是這麼說的......#$$@$#(@-'$$'="@$!”
686Please respect copyright.PENANAkQ3AFYF5rm
“啊,原來學霸都那麼談戀愛啊。”路人甲說。
686Please respect copyright.PENANAHPdJJwSuF5
“......那我還是不要當學霸了。”路人乙道。


