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trial run    我要挑错精准翻译

参考词典中trial run的常规释义:

基本释义
  • n.试车,试验,试运行
英英解释
  •  1个名词解释

    1. trying something to find out about it
      [同] test, trial, trial run, tryout
      [例]
      • a sample for ten days free trial
      • a trial of progesterone failed to relieve the pain
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