ā ō ē ī ū ǖ ,韻母火車出發(fā)啦!誰(shuí)當(dāng)火車頭?誰(shuí)坐火車尾?誰(shuí)在頑皮地唱著“聲調(diào)歌”?轟隆隆,轟隆隆……快點(diǎn)跟動(dòng)物朋友們一起,開啟這場(chǎng)韻母的奇幻之旅吧!