爸爸妈妈最近因为一点小事闹了矛盾,我夹在中间左右为难,我应该( )
西藏野牛休息时,体态与岩石相似,有利于捕食和御敌.这种现象体现了( )
— did you stay in the library?
— I stayed there for over two hours.