exonerate
词根词缀：
exonerate v. 免除；无罪释放
ex 出 + oner 负担 + ate 做，造成，使… → 从负担中摆脱出来 → 无罪释放
exoneration n. 免除责任；无罪释放
ex 出 + oner 负担 + ation 行为，过程，状态，结果 → 免除责任；无罪释放
onerous adj. 繁重的；费力的
oner 负担 + ous …的 → 繁重的；费力的
onus n. 负担，责任
on 负担 + us 表名词 → 负担，责任
数据来源：新东方英语词汇速记大全
相关例句：
Calibration and Evaluation of Uncertainty in Measurement of Electric Parameter Instrument exonerate by means of a perfunctory investigation or through biased presentation of data.
电参数测量仪的校准和不确定度评定通过马马虎虎的调查或通过不准确的数据显示就断定某人无罪。
They exonerate people from personal responsibility, and imprison them in circumstances and the victim mentality(" It's not my fault I lost"), the result being a kind of civic death.
他们使大家推卸个人的责任，让人们陷身于客观环境与牺牲者心理（我输了，这不是我的过错）不能自拔，结果则是一种公民道德的沦丧。
His little sister's just trying to exonerate him.
他妹妹想站出来给他开罪。
An investigation exonerated the school from any blame.
一项调查证明该学校没有任何过失。
There is no reason to exonerate him from the ordinary duties of a citizen.
没有理由免除他做公民应尽的义务。
We're gonna give the only thing that can exonerate me to someone who works for the government?
我们要把唯一的希望交给为政府工作的人？