杰克：小天，那位女士是谁？
Jack: Xiăotiān, nà wèi n shì shì shéi？
Jack: Xiaotian, who is that lady?

小天：她是我们的老师。
Xiăotiān：Tā shì wŏme de năoshi。
Xiaotian: She is our teacher.

杰克：她 是哪国人？
Jack: Tā shì nă guó rén？
Jack: What is her nationality?

杰克：她 是哪国人？
Jack: Tā shì nă guó rén？
Jack: What is her nationality?

小天：她是中国人。
Xiăotiān：Tā shì zhōngguó rén。
Xiaotian : She is Chinese.