為什麼火車要在鐵軌上跑十萬個為什麼哈囉～小朋友們！我是小艾姊姊！你們有沒有想過，為什麼火車要在鐵軌上跑呢?...1 year ago為什麼火車要在鐵軌上跑十萬個為什麼0:00 / 0:00Read the original at podcasters.spotify.comUse this feed in your RSS readerCopy the publisher’s public feed URL, or build an OPML reading list for another reader.Copy RSS URL Open RSS feed · Find feeds & export OPMLKeep up with this sourceFollow this sourceKeep this source in your dashboard and return to its latest articles. Email alerts are managed separately in Settings.FetchFeeds groups articles by feed so you can follow sources, compare coverage, and save stories for later.Back to all articles from 十萬個為什麼More from this feedChoose another story from 十萬個為什麼.為什麼公車要停那麼多站為什麼貨車可以載那麼多東西為什麼電動車不用加油為什麼工程車有履帶為什麼垃圾車會自動倒垃圾為什麼船頭是尖的為什麼北極熊不怕冷為什麼牛有四個胃
