An exposition is a clear, detailed explanation of something — laying out facts or ideas in an organized way so someone can understand them fully; you might give an exposition of your plan before a meeting starts.

An expositionexposition is a clear, detailed explanation of something是對某件事清楚、詳細的說明 laying out facts or ideas in an organized way so someone can understand them fully有條理地把事實或想法攤開，讓人能完全理解 you might give an exposition of your plan before a meeting starts例如你可能會在開會前先做一個計畫的說明。

In stories, films, and plays, 'exposition' has a more specific meaning: it's the part near the beginning where the writer explains the background — who the characters are, what the situation is — before the real action starts.

In stories, films, and plays在小說、電影和戲劇裡 'exposition' has a more specific meaning「exposition」有更明確的意思 it's the part near the beginning where the writer explains the background指的是開頭附近作者交代背景的那個部分 who the characters are, what the situation is角色是誰、情況是什麼 before the real action starts在真正的劇情開始之前。

Separately, an older meaning survives in some names: a big public exhibition showing off new inventions or products used to be called an 'exposition' (this is where the shorter word 'expo' comes from).

Separately, an older meaning survives in some names另外，有一個較舊的意思還留在一些名稱裡 a big public exhibition showing off new inventions or products used to be called an 'exposition'以前展示新發明或新產品的大型公開展覽被稱為「exposition」 (this is where the shorter word 'expo' comes from)（這就是「expo」這個簡稱的由來）。