trial run

trial run

n. 试车, 试验, 试运行

例句与用法：

She's taking the exam a year early, just as a trial run (for the real thing).

她提前一年参加考试，算是(正式考试的)试考。

The machine, however, failed on its trial run.

但这部机器的试车失败了解。

The programme was given a trial run to gauge viewers' reactions.

该节目进行了试演以了解观众的反应。

Take the car for a trial run to see if you like it.

试试那辆汽车，看看你是否满意。

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ph.

试航, 试车, 试验