You are viewing a single comment's thread from:RE: 一则关于“什么是石墨烯”的笑话故事View the full contextwilburm (52)in #cn-joke • 7 years ago 仿佛把我带回了高中化学课堂,哈哈哈
后背一凉,即将高考?
老啦,哈哈 下半年就该进入社会实习了。