n.

1. 闡述；說明；解說[U][C]
   This is a clear exposition of the theory of evolution.

   這是對進化論的清晰的闡述。

2. 展覽會；博覽會[C]
   They are going to hold an international exposition.

   他們打算召開一次國際博覽會。

3. 說明文[C]

n.

1. a comprehensive description and explanation of a theory.
2. a large public exhibition of art or trade goods.
3. Music  the part of a movement, especially in sonata form, in which the principal themes are first presented.
4. archaic public exposure.