unit 2 Air [00:16.77]单元二 空气 [00:18.76]Read a poem [00:20.34]读一首诗 [00:21.92]Air [00:23.20]空气 [00:24.48]Air has no smell.Air has no taste. [00:28.11]空气没有嗅觉。空气没有口味。 [00:31.74]But when the wind blows,You...