| 释义 | 
		needful美 ['nidfəl]  英 ['niːdf(ə)l]  - adj.必要的;必需的;必然的
 - n.现金;必需的事物
 - 网络需要的;必须做的事;必须的物
 
 adj. demanding,needing,lacking,without adj.  | 2. lacking or requiring something 3. necessary, or essential  |  n.  | 1. something that is needed, especially the sum of money required or the action that needs to be taken  |  
  |