bestsellerKK [ˋbɛˋstsɛlɚ] /ˈbɛˈstsɛlɚ/名詞1暢銷書Her first novel became an international bestseller within months.她的第一本小說在幾個月內就成為國際暢銷書。2暢銷商品、暢銷品This lipstick is still the store's biggest bestseller.這支唇膏仍然是這家店最暢銷的商品。