英语词汇trade-up-down怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	trade-up-down
释义	请查阅词条：trade up/down
随便看	lifelong lifelong bachelor lifelong career lifelong commitment lifelong dream lifelong fan lifelong friend lifelong friendship lifelong habit lifelong interest in lifelong learner lifelong learning lifelong-learning lifelong love lifelong process life-of-contract high life-of-contract-high life partner life-partner life peer life-peer life peerage life-peerage life preserver life-preserver

英汉双解词典包含207842条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。