dry run
noun [ C ] uk/ˌdraɪ ˈrʌn/ us/ˌdraɪ ˈrʌn/ (UK also dummy run)
试运行；演习；排练
a practice of a particular activity or performance
The day before the trial, the lawyers tried a dry run of the closing arguments. 审判的前一天，律师们排练了一次最后陈词。
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。