“今天老師不是說了牛頓第二定律麼?”453Please respect copyright.PENANARhYMV3QEQX
453Please respect copyright.PENANAuHh2xw2yhQ
“嗯,怎麼了?”
453Please respect copyright.PENANAFoSIEbgF0R
“我在想說...淨力...摩擦力...自由落體運動...F=ma@$(@-$(#'":/:”
453Please respect copyright.PENANAtk1komeaU9
“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......#$$@$#(@-'$$'="@$!”
453Please respect copyright.PENANALqBZodWFVk
“啊,原來學霸都那麼談戀愛啊。”路人甲說。
453Please respect copyright.PENANANTP8CkX54E
“......那我還是不要當學霸了。”路人乙道。