it is long been proven that

意思翻译

长期以来，事实证明

相似词语短语

it is long───它很长

that is it───就这样

is that it───就是这样

it is that───是这样，就是嘛

it is very long───它很长

how long is it───有多长时间

it is long way───还有很长的路要走

it is a long───这是一个很长的

it is long day───今天是漫长的一天

双语使用场景 英语使用场景 it is long been proven that