Wǒ / zhèng / zài / yuè / dú / Mèng / Xī / Bǐ / tán / liǎo / jiě / gǔ / dài / de / kē / xué / zhī / shi我正在阅读梦溪笔谈,了解古代的科学知识。I am reading Dream Pool Essays to learn about ancient scientific knowledge.