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

• The car crashed during its trial run.
  这车在试车时撞坏了。
• 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。
• 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。
• 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。
• 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。
• 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 programme was given a trial run to gauge viewers 'reactions.
  该节目进行了试演以了解观众的反应。
• He gave the machine a trial run.
  他试了一下这部机器。
• 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。
• 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。