0 a practical test of something new or unknown to discover its effectiveness -- 试行；试验；试用
We're holding a tournament in the new ice-hockey stadium, as a trial run for next year's Winter Olympics. 我们将在新的冰球场承办一次锦标赛，作为明年举办冬奥会的一次测试。
This list was not part of the experimental trial run.
Indeed, it has been suggested that mental imagery is a trial run of what it would be like to experience such a perception.
Instead, they proposed small pilot programs or used existing administrative machinery to give new programs a trial run without statutory authorization.
Results of trial run experiments are described in the next section.
This could well serve as a trial run for a salaried service, and of course if it proved unsatisfactory it could be dropped.
That too, therefore, would be part of any trial run.
I am sure that in many a case the defendant would have a trial run.
Following a trial run there, the service has been extended to other parts of the country.
