You are viewing a single comment's thread from:RE: 带孩子做科学实验系列之： 用洗涤灵驱动的小船 (Soap powered boat)View the full contextView the direct parentaafeng (71)in #cn • 7 years ago 啊，不记得有这个情节了，看来我是伪三体书迷，呵呵