一次图书售卖活动用英语怎么说

"book sale" 或 "book fair" 是指一次图书售卖活动的常用说法。这两个短语都来自英语中最基本的词汇，book 意为图书，sale 意为销售，fair 则意为展览会。

例句：

There's a book sale going on at the library this weekend. (图书馆这个周末有一次图书售卖活动。)
I always try to stop by the annual book fair in the city. (我总是试着去一年一度的城市书展。)
The bookstore is having a clearance sale on all their books. (这家书店正在对所有图书进行清仓销售。)