Tā / bǎ / zhè / shǒu / chángshī / bèi / de / dàobèi-rúliú / lián / shùnxù / diāndǎo / yě / bú / huì / chūcuò

她把这首长诗背得倒背如流，连顺序颠倒也不会出错。

She knows this long poem by heart and can recite it flawlessly even backward.