义项
the back of a body or object
the back of a body or object; to turn one's back; to hide something from; to learn by heart; to recite from memory; unlucky (slang); hard of hearing
verb
the back of a body or object
the back of a body or object; to turn one's back; to hide something from; to learn by heart; to recite from memory; unlucky (slang); hard of hearing