英语词汇main staircase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

英汉双解词典包含3607232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。

单词	main staircase
释义	main staircase
随便看	approach gate approach goal approach grade approach gradient approach grafting approach illusion approach indication approach indication lamp approach indication light approach indicator approach infinity approach infinity as a limit approaching approaching announcing in cab approaching buoy approaching channel approaching cutoff approaching face approaching flow approaching market approaching one another approaching response approaching sampling technique approaching side approaching signal