inerrable

adj.不会错的,没有错的

不可犯错的，绝对正确的

形容词

1、The professor's knowledge was inerrable; he never made a mistake in his lectures.
教授的知识是绝对正确的，他在讲课时从不出错。
2、The mathematician's calculations were inerrable, leading to groundbreaking discoveries in the field.
这位数学家的计算是绝对准确的，在该领域进行了突破性的发现。