英语词汇up to 3 hours before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	up to 3 hours before
释义	up to — 到 adv • 以至 • 以致 • 以至于 hours pl — 时數 n before — 前 • 之前 • 以前 • 先前 • 前来 • 前儿 • 在未 adv • 先头 • 早先 up — 向上 • 攲 up n — 起伏 n up to prep — 及 prep an hour n— 一小时 n hour n — 时 n • 时针 n • 钟头 n • 半小时 n • 钟点 n before conj — 在之前 conj before prep — 先于 prep
随便看	their user experience their user interface their utility their utmost their vacation their validity their valuations their value add their values their various backgrounds their various facilities their vast experience their vehicle their vendor their ventures their versatility their versions their very their very best their very existence their very individual their very low their very nature their very own their video files hosting routine

英汉双解词典包含2273206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。

up to —