The dog rubbed its back ____ the wall.

题目

The dog rubbed its back ____ the wall.

答案

against,这句话的意思是这条狗的背在墙上蹭来蹭去.against有紧靠；倚；碰撞的意思.牛津字典上的原句是the cat rubbed itself against my legs,猫在我腿上蹭来蹭去.