zhè / shǒu / gē / chàng / biàn / le / chūn / xià / qiū / dōng / biǎo / dá / le / duì / shí / jiān / liú / shì / de / gǎn / kǎi

这首歌唱遍了春夏秋冬，表达了对时间流逝的感慨。

This song spans all four seasons and expresses feelings about the passage of time.