immutable

公司的核心价值观是永恒不变的。

The company's core values are ___immutable and never change.

不可动摇的正义原则必须平等适用于富人和穷人。

The ___immutable principles of justice must apply equally to the rich and the poor.

她对孩子们不可动摇的信任给了他们敢于冒险的信心。

Her ___immutable trust in her children gave them the confidence to take risks.