be the last word be the most fashionable or up-to-date.
1989Life Thanks to a built-in microchip, Teddy Ruxpin became the last word in talking dolls.
英语词组固定搭配大全包含15956条英汉双解词组,基本涵盖了全部常用英文词组、短语的翻译及用法,是英语学习的有利工具。