| 单词 | 一成不变 |
| 释义 | 一成不变一成不变[yī chéng bú biàn]1.■immutable and frozen; be immutable; be set in one's ways; changeless; cut and dried; fixed and unchangeable; go into a rut; hard and fast (formula etc,); inflexible; invariable; monotonous; unchangeable; unalterable:一成不变的东西是没有的。Nothing is changeless.世界没有一成不变的东西。Nothing in the world is immutable. |
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