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

• 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。
• The live stream could be a sort of trial run for any new streaming technology the company will announce.
  直播可能是某种该公司想要发布的新的媒体播放技术的试用。
• 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。
• 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。
• 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。
• The car crashed during its trial run.
  这车在试车时撞坏了。
• 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。
• Transportation to and from the Expo was also monitored during the trial run.
  在试运营期间，世博交通也接受了检验。
• I just had a trial run at the Christmas tree lot.
  我刚刚在圣诞树市上大转了一下。
• The machine failed on its trial run.
  但这部机器的试车失败了。