The first trial is concluded.

初审结束。

《新英汉大辞典》

The first trial on humans has been a success, with no side-effects.

该实验在人体上的第一例已经成功，并且没有副作用。

youdao

The first trial fracking in the UK took place last month, in Lancashire.

上个月，在英国兰开夏郡进行了第一个水力压裂试验。

youdao

He heads the first-ever clinical trial of umbilical cord stem cells with cerebral palsy patients.

VOA: special.2011.02.01

My first book was on the trial of John Peter Zenger, 5 which was the first famous case in America in 1735 relating to freedom of speech.

我首本书写的就是John，Peter，Zenger审判，这个案例在1785年的美国家喻户晓5,是言论自由方面的第一个例子。

普林斯顿公开课 - 人性课程节选

The trial has been hailed as the world's first successful AIDS vaccine trial.

VOA: standard.2009.10.20

The first trial of the system begins on 29 April in Ashton-Under-Lyne, Greater Manchester.

BBC: Universal Credit: MPs raise fraud concerns

In the first trial the defendants were convicted of avoiding taxes on the sale of Yukos's oil.

ECONOMIST: The Khodorkovsky verdict

Elizabeth Greathouse, a juror at the first trial, seemed to lean toward the defense team after opening arguments.

WSJ: Roger Clemens Up at Bat in Perjury Retrial