Residual means what is left after a process or event is finished, or after the main part has been taken away. After you wash a pan, a residual smell of garlic might stay; after a storm, residual water sits in the road.

Residual Residual（殘留的） means指的是 what is left after a process or event is finished一個過程或事件結束後剩下的東西 or after the main part has been taken away或是主要部分被拿走之後剩下的東西。After you wash a pan你洗完鍋子之後 a residual smell of garlic might stay可能還會殘留一股大蒜味 after a storm暴風雨過後 residual water sits in the road路上會留著殘留的積水。

Doctors and scientists use it a lot: residual risk, residual heat, residual disease. As a noun, a residual is that leftover itself.

Doctors and scientists use it a lot醫生和科學家很常用這個字 residual risk殘餘風險 residual heat餘熱 residual disease殘留的疾病。As a noun當名詞用時 a residual residual就是指 that leftover itself那個剩下來的東西本身。

It is a school-and-office word; everyday English often just says leftover or remaining.

It is a school-and-office word這是一個學術或辦公室用語 everyday English often just says日常英文通常只會說 leftover or remaining leftover或remaining（剩下的）。

Though actually, people stretch it to feelings too — residual anger after a fight, meaning the anger that did not quite go. In money talk, residual income is money that keeps coming after the work is already done.

Though actually不過實際上 people stretch it to feelings too人們也會把它用在情緒上 residual anger after a fight吵架後的residual anger（殘留的怒氣） meaning the anger that did not quite go指還沒完全消散的怒氣。In money talk在理財用語裡 residual income residual income（剩餘收入） is money that keeps coming after the work is already done是指工作做完之後還會持續進來的錢。