best-seller/ˌbest'selər $ -ər/

n. a book that has sold in very large numbers

n. [C] 畅销书：Her first novel was a bestseller. 她的第一本小说是一本畅销书。

巧记 有些以-er结尾的词并不表示人，如：barrier, carrier, cooker, counter, drier。