| 释义 | 
		prerequisite美 [pri'rekwəzɪt]  英 [priː'rekwəzɪt]  - n.前提;先决条件;必备条件
 - adj.必须先具备的;先决条件的
 - 网络必要条件;前提条件;必要的
 
 n. precondition,requirement,condition,qualification,criterion 1.  | [ususing] ~ (for/of/to sth) 先决条件;前提;必备条件something that must exist or happen before sth else can happen or be done  |  
  | A degree is an essential prerequisite for employment at this level. 学位是做这级工作必备的先决条件。  |  
 adj.  | 1. required in order for something else to happen  |  n.  | 1. an object, quality, or condition that is required in order for something else to happen 2. something that must exist or happen before something else is possible  |  
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