trial run

英 [ˌtraɪəl ˈrʌn]

美 [ˌtraɪəl ˈrʌn]

n.  (对新事物的)初步试验，试行

经济

牛津词典

noun

• （对新事物的）初步试验，试行
  a test of how well sth new works, so that you can see if any changes are necessary

柯林斯词典

• 初步试验;试行
  Atrial runis a first attempt at doing something to make sure you can do it properly.

英英释义

noun

• trying something to find out about it
  1. a sample for ten days free trial
  2. a trial of progesterone failed to relieve the pain
  Synonym:trialtesttryout

双语例句

• Because of the short-time duty of motor, continuous trial run shall not be too long.
  由于专用电机为短时工作制，调试时，连续试车时间不可太长。
• Sometime in2020 we can see a trial run of a high speed railway by which time the whole of China will be covered by bullet trains.
  在2020年的某个时候，我们能看到高速火车的试跑，那个时候，整个中国已经遍布高速火车了。
• We were very disappointed with the results from the new car's first trial run.
  这辆车在首度试开之后，让我们非常失望。
• He gave the machine a trial run.
  他试了一下这部机器。
• Submit engineering design, procurement, construction and trial run service in earlier stage with details, and comply with engineering and planning requirements.
  及时有效的交付含有细节描述的工程设计、采购、施工和前期试运行服务，并与工程和策划要求一致。
• The machine failed on its trial run.
  但这部机器的试车失败了。
• Responsible for the tool trial run, arrange the daily trial run work.
  负责试模，安排每日试模工作。
• We encountered one small problem during the trial run.
  我们在试运行中，遇到了一个小问题。
• Then came the day of its trial run.
  接着试车的日子来到了。
• Eg. a trial run is needed before the machine is put into operation.
  在机器投入运行前，要先进行试车。