| 释义 | 
		- v.预约;预先规定;〈古〉订婚(约);〈古〉同…预订婚约
 - n.预约;婚约
 - 网络前约
 
 复数:precontracts  过去分词:precontracted  现在分词:precontracting   n.  | 1. 预约,先约;〔古语〕(具有法律效力的)订婚,婚约  |  v.  |  |  
 n.  | 1. a contract made in advance to prevent a subsequent contract, especially an arranged marriage  |  v.  | 1. to make a contract or enter into an agreement in advance 2. in former times, to pledge somebody to marriage by an earlier agreement, or be pledged in this way  |  
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