měi / dāng / chóng / yóu / gù / dì / tā / dōu / huì / xiǎng / qǐ / nà / duàn / nán / wàng / de / qīng / chūn / suì / yuè

每当重游故地，她都会想起那段难忘的青春岁月。

Whenever she revisits the familiar place, she remembers those unforgettable years of her youth.