形容词
中文翻译：不可撤销的
同义词：
['irreversible', 'indefeasible', 'unchangeable例句：1. The contract is unstatutable', "so we can't change our minds about it.（合同是不可撤销的，我们不能改变主意。）"]
例句：
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1. The contract is unstatutable, so we can't change our minds about it.
合同是不可撤销的，我们不能改变主意。
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2.The decision was made irreversibly, and there's no turning back now.
决定是永久性的，现在无法挽回了。
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3.The agreement is indefeasible, so we must follow through with the plan.
协议是不可更改的，所以我们必须执行计划。