gǔ / rén / céng / bǎ / wén / zì / xiě / zài / zhú / jiǎn / shàng / zhè / xiē / zhú / jiǎn / hòu / lái / bèi / chēng / wéi / hàn / qīng

古人曾把文字写在竹简上，这些竹简后来被称为汗青。

Ancient people once wrote on bamboo slips, which later came to be called hanqing.