as far as
例句：
他们扬帆起航远至美洲,这在当时没有指南针的情况下绝非易事.
They sailed as far as america without the aid ofmagnetic compasses,which was no mean feat.
as far as
例句：
他们扬帆起航远至美洲,这在当时没有指南针的情况下绝非易事.
They sailed as far as america without the aid ofmagnetic compasses,which was no mean feat.