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

• 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。
• When they started the trial run, they heard someone shouting from the rear end of the machine.
  当他们尝试运转机器时，听见有人在机器末端大叫。
• We encountered one small problem during the trial run.
  我们在试运行中，遇到了一个小问题。
• 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。
• 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。
• 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。
• If a petrochemical feedstock manufacturer needs petroleum products for a trial run.
  二制造石化原料工厂之试车，需使用石油制品。
• The result of the trial run is too bad.
  试车的结果太糟糕了。
• 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。