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

• Then came the day of its trial run.
  接着试车的日子来到了。
• 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。
• 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。
• 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。
• 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。
• We gave the machine a trial run before using it on the production line.
  我们先让这台机器进行试转，然后再用于生产线。
• The car crashed during its trial run.
  这车在试车时撞坏了。
• The result of the trial run is too bad.
  试车的结果太糟糕了。
• 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。
• Does the Design Verification Plan include retest requirements for design, material, or manufacturing process changes that occur prior to the production trial run?
  设计验证计划包括关于设计、材料或在产品试运行之前发生的生产工序变化的复测要求吗？