hospital on call
The Spanish term 'hospital de guardia' translates to 'hospital on call' in English. This refers to a hospital that is ready to provide immediate treatment in emergency situations. It is similar to the concept of an 'emergency department' in English-speaking countries. The phrase is often used in Spanish-speaking regions to refer to facilities that are open around the clock for urgent care cases.
My mother works in the emergency hospital.
The phrase is used to indicate where the speaker's mother works, that is, in the emergency hospital. Here, 'hospital de guardia' refers to the place of his mother's work which provides emergency services at any time.
The nearest emergency hospital is ten kilometers away.
This phrase is used to provide information about the distance of the nearest emergency hospital, in this case, it is ten kilometers away. In this sentence, 'hospital de guardia' is used to refer to the type of hospital that provides emergency services.
They have to take Juan to the emergency hospital after the accident.
This phrase is a suggestion or an instruction for someone (presumably Juan) to be taken to the emergency hospital following an accident. 'Hospital de guardia' is mentioned to specify the type of hospital needed.