This is the 2814th most frequent Chinese word.
屯門醫院
Tuen Mun Hospital.
In this sentence, "屯門醫院" is used as the name of a specific hospital to introduce its location and status.
屯門醫院位於香港的新界西，是一所大型綜合醫院。
Tuen Mun Hospital is located in the New Territories West of Hong Kong and is a large general hospital.
Here, "屯門醫院" refers to the place where the action of seeing a doctor takes place.
昨天我帶家人去屯門醫院看病，服務態度非常好。
Yesterday I took my family to Tuen Mun Hospital for a consultation; the service attitude was excellent.
In this instance, "屯門醫院" is mentioned as the institution implementing improvements in medical equipment.