first run

基本解释

You must first run off the water from the tank.
首先必须把水从水槽中流掉。
For your first run this week, try walking for 5 minutes to begin and end the workout, and run for 20 minutes in between.
为了本周你的第一次跑步，行走5分钟在锻炼开始前和结束后，在这中间跑20分钟。
The distinction between "new" and "rerun" tests is simply that "new" tests are those that were first run on the build in question.
“新的”和“重新运行”的测试之间的差别仅仅是，“新的”测试是那些对正讨论的构建首次运行的测试。

Last month, the WorldFirst Formula Three racing car was set to run in its first competitive race at the Formula Three Championship Final at Brands Hatch.
OK, there's the first run, I'm going to take a different list.
好的，这是第一次运行，我要测下另外一个列表。
麻省理工公开课 - 计算机科学及编程导论课程节选
Other remark about this being an intro class is that it's introductory in that the issues that we're talking about are kind of first run through.
另一件事关于这个课程,是这些话题的介绍,我们谈论的都是最新的内容。
耶鲁公开课 - 死亡课程节选

Red grapes are crushed and the first run of pink juice is taken and fermented separately.
FORBES: Jolie-Pitt's New Wine Is Scarce, Twelve Best Rosé's To Try Instead