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单词 prolong
释义 prolong
 —prolongable,  adj.   —prolongableness,  n.   —prolongably,  adv.   —prolonger,  n.   —prolongment,  n.  
 /preuh lawng", -long"/,  v.t.  
  1. to lengthen out in time; extend the duration of; cause to continue longer: to prolong one's stay abroad.
  2. to make longer in spatial extent: to prolong a line.
 [1375-1425; late ME prolongen < LL prolongare to lengthen, equiv. to pro- PRO-1 + long(us) LONG1 + -a- theme vowel + -re inf. ending]
 Syn. 1. See lengthen.
 Ant. 1. abbreviate.
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