我姐姐是医生，在医院工作。

Wǒ jiějie shì yīshēng, zài yīyuàn gōngzuò.

My older sister is a doctor and works in a hospital.

这家医院的医生和护士都很热情。

Zhè jiā yīyuàn de yīshēng hé hùshi dōu hěn rèqíng.

The doctors and nurses in this hospital are all very warm‑hearted.

如果身体不舒服，一定要去医院看医生。

Rúguǒ shēntǐ bù shūfu, yídìng yào qù yīyuàn kàn yīshēng.

If you feel unwell, you must go to the hospital to see a doctor.