"Room card" can be translated as "房卡" in Chinese. It refers to a physical card or digital code used to access a hotel room. The term "room card" originated in the hotel industry and is commonly used to describe the key to a hotel room.
Examples in Engpsh:
Can you please give me a room card for my stay at the hotel?
I can't seem to find my room card, can I get a new one at the front desk?
中文翻译:
能否请您给我一张房卡，以便我在酒店住宿？
我似乎找不到我的房卡了，可以在前台换一张吗？