The room was decorated in a combination of greens and blues.
这房间是把不同的绿色和蓝色搭配起来装饰的。
《牛津词典》
2
Students are provided with a combination for their room door locks upon check-in.
办理入住时，学生们会得到一串房间门锁密码。
3
The combination of accent lighting, house lighting and photographer's lighting must be effectively blended to give the viewer a clear feeling of what it's like to stand in that room.