We must run a test before beginning to operate a new machine.

在开始使用一台新机器前必须先进行一次试验。

youdao

In a nutshell, the developer writes a test before writing any code.

简单地说，开发人员在撰写代码之前要撰写一个测试。

youdao

Writing a test before the code means you don't get to do the fun part of the job until the test runs and fails.

在编写代码前编写测试这种作法意味着，在测试运行并失败之前，不会做工作中真正有趣的部分。

youdao

It took a number of years before Congress was able to pass a law demanding a literacy test for immigrants.

VOA: special.2010.05.20

You can't cram information about music, the sound of music, into your head the night before a test the way you might be able to in an English course or a history course.

你不可能像对待英语课,或者历史课考试那样在考试前一天晚上,将音乐中的信息或者将声音死记硬背,以便应付考试

耶鲁公开课 - 聆听音乐课程节选

I can build class stock, and I can test class stock, before I have a class market.

我可以建立一个stock类，然后在有macket类之前测试这个类。

麻省理工公开课 - 计算机科学及编程导论课程节选

So to Cardiff, which has never staged a Test before.

BBC: Jonathan Agnew column

And Google has been slow to patch those vulnerabilities in Android, Oberheide says, often pushing out fixes to just a segment of users as a test before fully patching phones weeks later.

FORBES: Updated with Google response below.

The organisation was recently told that a gay couple from Porthmadog were asked to take a HIV test before being given life assurance for a mortgage.

BBC: Stars join Cardiff gay Mardi Gras