英语词汇once per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 per
释义	once — 一次 • 一旦 adv • 曾 • 曾经 • 等 • 一下 • 一度 • 有一次 • 尝 per — 论
随便看	don't assign don't assume don't assume don't assume don't assume don't assume that don't as well don't avoid don't avoid don't avoid don't avoid don't avoid don't Avoid the battle-ax ; soldier must face danger bravely don't back down don't be afraid don't be afraid don't be afraid don't be afraid don't be afraid to ask don't be afraid to change don't be afraid to change don't be afraid to experiment don't be alarmed don't be alarmed don't be alarmed

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 —