预定酒店房间用英文怎么说

预定酒店房间用英语可以说 "book a hotel room"。

其中 "book" 是动词，意思是预订。"a hotel room" 是名词短语，意思是酒店房间。

例句：

I would pke to book a hotel room for tomorrow night. (我想预订明天晚上的酒店房间。)
Can you help me book a hotel room for my upcoming trip? (你能帮我预订一间酒店房间吗？)
I have booked a hotel room for my parents' visit. (我已经预订了一间酒店房间，给我父母住。)