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

• Prototype new products six months after the trial run before the technical evaluation.
  新产品样机试运行半年后，方可进行技术鉴定。
• 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。
• 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。
• 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。
• The result of the trial run is too bad.
  试车的结果太糟糕了。
• 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。
• Should he come, he would be able to examine the trial run of the machine.
  如果他来，他就能检验这台机器的试车情况了。上传：第八号当铺。
• 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。
• 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。