dummy run
noun /ˌdʌmi ˈrʌn/
  /ˌdʌmi ˈrʌn/
(British English)- a practice attack, performance, etc. before the real one演习;试演 
| 词汇 | dummy run | 
| 释义 | dummy runnoun /ˌdʌmi ˈrʌn/  /ˌdʌmi ˈrʌn/(British English) 
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