我期待从医药和印刷，到数学和天文方面，了解更多关于中国对丰富的人类知识保护所作的贡献。

I look forward to learning more about China's great contributions to the store of human knowledge from medicine and printing, to mathematics and3 astronomy.

youdao

我期待从医药和印刷，到数学和天文方面，了解更多关于中国对丰富的人类知识保护所作的贡献。

I look forward to learning more about China's great contributions to the store of human knowledge from medicine and printing, to mathematics and3 astronomy.

youdao