What tree is not a tree?what face is not a face?what ear is not a ear?what room is not a room

题目

What tree is not a tree?what face is not a face?what ear is not a ear?what room is not a room
猜一猜,用英语回答,

答案

Seting up(树立) is not a tree;
Losing face(丢脸) is not a face;
Clairaudience(顺风耳)is not an ear;
Atrium(心房) is not a room.