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

• Responsible for the tool trial run, arrange the daily trial run work.
  负责试模，安排每日试模工作。
• 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 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。
• The machine failed on its trial run.
  但这部机器的试车失败了。
• 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。
• 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。
• 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。
• 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。
• 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。