词汇与表达：culpable-culpability-culprit-exculpate-inculpate

culpable
记忆技巧：culp 错，罪 + able …的 → 有罪的；应受指责的

If someone or their conduct is culpable, they are responsible for something wrong or bad that has happened.
Their decision to do nothing makes them culpable.
他们不采取任何行动的决定使他们难辞其咎。
culp= fault 错, 罪
culpability n. 有罪；有过失
culp 错，罪 + ability 状态 → 有罪；有过失
culpable adj. 有罪的；应受指责的
culp 错，罪 + able …的 → 有罪的；应受指责的
culprit n. 犯人
culp 错，罪 + rit → 犯人
exculpate v. 无罪释放
ex 出 + culp 错，罪 + ate 做，造成，使… → 从罪中解脱 → 无罪释放
inculpate v. 归罪
in 使… + culp 错，罪 + ate 使… → 使〔别人〕有罪 → 归罪

someone who has done something wrong