...ard the rover, it may very well require the far more well-equipped laboratories and delicate instruments back here on Earth to tell us whether our samples carry evidence that Mars once harbored life.请问这句话中it作形式主语,不定式作真正主语吗?还是说不定式作宾补...
例句:the centre was simultaneously looking toa time when leading researchers could also be artists, writers and poets, and vice versa. 如果把vice versa整体当作副词的话为什么前面加了and?这是并列什么?
In particularly wet years, short stretches ofan otherwise dry stream-bed may have flowing water because the water table rises to intersect the land surface. 请问老师这句怎么理解,特别是 otherwise 在这句中是什么用法,非常感谢。