英语词汇switch back ramp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	switch back ramp
释义	switch back ramp 简明释义折返坑线
随便看	Parentracin parent radioisotope parent record parent registry number index parent-report parent request parent resource parent responsibility parent result parent rock parent rock horizon parent role parents parents parents and kids parents and relations Parents Anonymous parent-school parents courses parents culture parent's duty to protect child parent segment parent selection parent figure parents/guardian

英汉双解词典包含3185865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。