xuéxí / liǎnghéwénmíng / shí / xuéshēngmen / huì / jiēchùdào / xiēxíngwénzì / hé / zǎoqī / chéngshìguójiā

学习两河文明时，学生们会接触到楔形文字和早期城市国家。

When studying Mesopotamian civilization, students encounter cuneiform and the early city-states.