短语词组用作名词 (n.)动词+～cover up the deficiency 掩饰缺点fill up a deficiency 弥补不足名词+～hearing deficiency 听觉缺陷vitamin deficiency 缺乏维生素～+介词deficiency in vitamins 缺乏维生素deficiency of 50 pounds 50 英镑的亏空短语 返回 deficiencies