英语词汇had been in vain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	had been in vain
释义	in vain — 白 • 白费 adv • 徒劳 adv • 枉 • 白白 • 徒然 • 空 • 枉然 • 空空 • 虚 • 无效 • 干 • 唐 vain n — 徒劳 n vain — 爱慕虚荣 has-been — 过气 in-— 非 in prep — 中 prep • 于 prep • 其中 prep 2-in-1— 二合一
随便看	be operative be opportune be oppressive be optimistic be optimistic given be or become invalid be or become invalid or unenforceable be or become invalid, this be or become invalid, this be or become invalid, this be ordained be ordered by a court be ordered by the court be ordinated be organic be organized around the be oriented be oriented parallel be oriented towards be original be originated be orphaned of one's father be ossified be ostentatious be ostentatious and extravagant

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。

in vain —