room是房间的意思时是可数名词。
room是空间、场所、位置的意思时是不可数名词。
There was room for 20 people at the outside.
最多只能容纳20个人。
There\'s only room for one person.
只有一个人的空间。
They have successfully combined the old with the new in this room.
他们在这个房间里成功地把古老和现代的风格融为一体。