#VOA常速英语听力:科技展帮助学生对科学产生兴趣 搜索结果
Tothesechildren,it'sallfunandgames.Butthemarblesinthisso-called"ChaosMachine"teachthemaboutphysics,gravityandmore,saysexhibitorTonyMontuori."Italsoteacheskidsallkindsofusefulskillsaboutdebugging,
