英语词汇once during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	once during
释义	once — 一次 • 曾 • 一旦 adv • 有一次 • 等 • 曾经 • 一下 • 一度 • 尝 during — 中 • 之际 during prep — 当 prep • 在 ... 的期间 prep • 在 ... 的时候 prep during conj — 期间 conj
随便看	peripheral support peripheral system peripheral t-cell peripheral type peripheral unit peripheral urban peripheral vascular peripheral vascular disease peripheral vascular resistance peripheral vasculature peripheral vasodilator peripheral velocity peripheral venous peripheral vertigo peripheral Vision peripheral work peripheral zone peripheral　device peripheric periphery periphery bonds periphery components periphery" countries periphery countries periphery" countries

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。

once —