英语词汇have 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	have been in vain
释义	in vain — 白 • 白费 adv • 徒劳 adv • 枉 • 白白 • 徒然 • 空 • 干 • 枉然 • 空空 • 虚 • 无效 • 唐 vain n — 徒劳 n vain — 爱慕虚荣 have v — 有 v • 所有 v • 具有 v • 自有 v • 设有 v • 具备 v • 抱有 v • 占有 v has-been — 过气 in-— 非 in prep — 中 prep • 于 prep • 其中 prep 2-in-1— 二合一
随便看	timing and direction of timing and duration of timing and execution timing and frequency timing and impact timing and lift timing and means timing and nature timing and outcome timing and rules timing and sequence timing and speed timing and synchronization timing and terms timing at which timing average timing before timing belt kits timing belt side timing block timing board timing budget timing by day timing case cover timing chain

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 —