kǎo / gǔ / xué / jiā / zài / hé / gǔ / zhōng / fā / xiàn / le / yí / zuò / bǎo / cún / wán / hǎo / de / wù / bǎo

考古学家在河谷中发现了一座保存完好的坞堡。

Archaeologists discovered a well-preserved fortified compound in the river valley.