1
- mass noun space that can be occupied or where something can be done, especially viewed in terms of whether there is enough空间, 地盘：
there's only room for a single bed in there
那里只放得下一张单人床
with infinitive she was trapped without room to move.她被困得没有转身的余地。
1.1
- figurative opportunity or scope for something to happen or be done, especially without causing trouble or damage〈喻〉余地; 机会; 范围：
there is plenty of room for disagreement in this controversial area
这个有争议的领域还有许多争论的余地
there is room for improvement.
有改进的余地。
2
- a part or division of a building enclosed by walls, floor, and ceiling房间, 室：
he wandered from room to room.
他一间间逛过去。
2.1
rooms
a set of rooms, typically rented, in which a person, couple, or family live（尤指租用的）一套房间; 寓所：my rooms at Mrs Jenks's house.
我在詹克斯太太家里租的一套房间。
2.2
- in sing. the people present in a room房间里的人：
the whole room burst into an uproar of approval.
整个房间里的人发出一片赞同声。
no obj.
1- chiefly US share a room or house or flat, especially a rented one at a college or similar institution〈主美〉同住一套房间（或房子、公寓）（尤指大学或类似机构的租住房）; 居住, 住宿：
I was rooming with my cousin.
我和我的表姐同住。
1.1
- with obj. provide with a shared room or lodging让…同住：
they roomed us together.
他们让我们同住一套房间。
短语
make room
- move aside or move something aside to allow someone to enter or pass or to clear space for something（给…）让出地方：
the secretary entered with the coffee tray and made room for it on the desk.
秘书端着咖啡托盘走进来, 在桌上腾出地方放下。
no（或not）room to swing a cat
- humorous used in reference to a very confined space〈幽默〉没有转身的余地, 地方狭窄。
- ORIGIN: cat in the sense 'cat-o'nine-tails'.
smoke-filled room
- used to refer to political bargaining or decision-making that is conducted privately by a small group of influential people rather than more openly or democratically烟雾弥漫的房间; 密谈室（指少数权势人士非公开的幕后政治谈判或决策）。
派生词
roomed
adjective一套四个房间的房子
roomful
noun （pl. -fuls）词源
Old English rūm, of Germanic origin; related to Dutch ruim, German Raum.