千人一面万口一腔: one face for a thousand people and one mouth for ten thousand people
关节: 1.[生理学] (骨头连接处) joint; articulation; articulus; juncture; arthrosis; article; artus; knuckle 短语和例子手指关节 finger joint; 一个关节脱臼了。 a joint has started. 人老了, 关节也硬化了。 the man is getting old and h