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单词 protract
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pro•tract  (prō trakt′, prə-),USA pronunciation v.t. 
  1. to draw out or lengthen, esp. in time;
    extend the duration of;
    prolong.
  2. Anatomyto extend or protrude.
  3. Surveying(in surveying, mathematics, etc.) to plot and draw (lines) with a scale and a protractor.
  • Latin prōtractus (past participle of prōtrahere to draw forth, prolong). See pro-1, tract1
  • 1540–50
pro•tract′ed•ly, adv. 
pro•tract′ed•ness, n. 
pro•tract′i•ble, adj. 
pro•trac′tive, adj. 
    • 1.See corresponding entry in Unabridged continue. See lengthen. 
    • 1.See corresponding entry in Unabridged curtail.

Collins Concise English Dictionary © HarperCollins Publishers::
protract /prəˈtrækt/ vb (transitive)
  1. to lengthen or extend (a speech, etc); prolong in time
  2. (of a muscle) to draw, thrust, or extend (a part, etc) forwards
  3. to plot or draw using a protractor and scale
Etymology: 16th Century: from Latin prōtrahere to prolong, from pro-1 + trahere to drag
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更新时间：2025/2/23 4:19:21