| 单词 | prolong |
| 释义 | Word Frequency prolong(prəˈlɒŋ) or prolongate (prəʊˈlɒŋˌɡeɪt) verb (transitive) to lengthen in duration or space; extend Derived forms prolongation (ˌprəʊlɒŋˈɡeɪʃən) noun prolonger (proˈlonger) noun prolongment (proˈlongment) noun Word origin C15: from Late Latin prōlongāre to extend, from Latin pro-1 + longus long |
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