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

• It is the first trial run of the first set of steam locomotive of China&'Dragon Locomotive '.
  这是中国第一台蒸汽机车&“龙号机车”的首次试运行。
• Transportation to and from the Expo was also monitored during the trial run.
  在试运营期间，世博交通也接受了检验。
• Preparing work and trial run for a new built PET plant start-up;
  介绍了胶片冷却装置和袋式除尘器的试车和验收的多项工作。
• 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。
• Certain hospitals will start trial run of bilingual service for foreign patients at the end of the year.
  某些特定的医院将于年底试验性地为外籍病患提供双语服务。
• The live stream could be a sort of trial run for any new streaming technology the company will announce.
  直播可能是某种该公司想要发布的新的媒体播放技术的试用。
• 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。
• Take the car for a trial run to see if you like it.
  试试运行那辆汽车，看看你是否喜欢。
• The car crashed during its trial run.
  这车在试车时撞坏了。
• The machine failed on its trial run.
  但这部机器的试车失败了。