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

• We planned a trial run there with the camels and gear.
  我们打算带骆驼和装备去那里作一次试验性旅行。
• 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。
• 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。
• 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。
• 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。
• 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。
• He gave the machine a trial run.
  他试了一下这部机器。
• 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。
• We encountered one small problem during the trial run.
  我们在试运行中，遇到了一个小问题。
• 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。