“今天老師不是說了牛頓第二定律麼?”669Please respect copyright.PENANAwHpMQKQWSf
669Please respect copyright.PENANA8ovrNrRMk9
“嗯,怎麼了?”
669Please respect copyright.PENANAi5uw6sjCyu
“我在想說...淨力...摩擦力...自由落體運動...F=ma@$(@-$(#'":/:”
669Please respect copyright.PENANA8PEelHrk4Y
“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......#$$@$#(@-'$$'="@$!”
669Please respect copyright.PENANANCVRe6WURO
“啊,原來學霸都那麼談戀愛啊。”路人甲說。
669Please respect copyright.PENANAJWXJTmo6Z8
“......那我還是不要當學霸了。”路人乙道。


